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JPS61203200U |
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JPS61196895U |
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JPS61183798U |
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JPS61179097U |
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JPS61171692U |
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JPS61169694U |
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JPS6135520Y2 |
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JPS61226392A |
PURPOSE:To obtain thrust not affected with the wind or waves by attaching a manual propeller on a surfboard. CONSTITUTION:At the rear end of a surfboard 1 a pivot shaft bearing 2 is attached through which a pivot shaft 4 reciprocally rot...
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JPS61211195A |
PURPOSE:To obtain an advanceable/backable and mountable/dismountable propulsion machine by constructing such that the power is transmitted independently from the vessel while riding over the edge of vessel. CONSTITUTION:Upon stepping of ...
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JPS61150295U |
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JPS61147697U |
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JPS61147695U |
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JPS61147694U |
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JPS61147698U |
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JPS61184197A |
PURPOSE:To make a boat movable to the front direction of an oarsman and enable him to enjoy rowing the boat without any danger by building a set of a gear and a rotary axis into an intermediate part between the paddle and the grip of an ...
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JPS6168998U |
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JPS6168997U |
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JPS6114956Y2 |
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JPS6166098U |
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JPS6166097U |
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JPS6156196U |
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JPS6157488A |
PURPOSE:To make underwater movements performable so easily and speedily, by making a glider travelable with large propulsion power by means of a propulsion blade to be driven by man power in the underwater, and also making it possible to...
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JPS6129994U |
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JPS6137596A |
PURPOSE:To effectively propel a boat body by providing the boat body with a propelling blade, whose after part is freely rotated by the water-resistance, centering around a supporting shaft, in a predetermined sector-shape range when the...
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JPS6137597A |
PURPOSE:To enhance propulsive performance by installing a screw-propeller-type propelling device, which can be reversed by means of a reversing device. CONSTITUTION:A boat operator sits down on an operator's seat 18, the forward cross-le...
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JPS6137595A |
PURPOSE:To enable even a person, who is not skillful in rowing like a fisherman, to obtain sufficient propelling force by employing simple mechanism and operation, in which the propulsive theory of an oar is adopted. CONSTITUTION:A beari...
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JPS6126696U |
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JPS6124397U |
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JPS6121877A |
PURPOSE:To reduce the number of fixed parts which are clamped by means of bolts and nuts as a whole by providing a slit on the lower wall part on one side, and a hook on the other side, of each box type hull of an assembling type boat, a...
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JPS615297U |
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JPS613798U |
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JPS6039353Y2 |
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JPS6037917Y2 |
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JPS60206800A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS60149498U |
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JPS60191899A |
PURPOSE: To make it possible to operate an oar as seeing the direction of the moving boat, by setting each end of the oar operating part and the oar paddle part, at the boat broadside rotatably, and connecting the both ends together thro...
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JPS60110099U |
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JPS6096104U |
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JPS6095386U |
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JPS6083671U |
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JPS6015754Y2 |
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JPS6050007A |
The present invention provides a pedal powered amphibious sailboat apparatus. In one embodied form, the inventive boating apparatus comprises a relatively light-weight hull with peripheral air tanks along the interior walls of the hull, ...
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JPS6034991U |
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JPS6025877A |
PURPOSE: To achieve a higher lateral stability without increasing the propulsion resistance by mounting a float at the tip of an outrigger which is stretched out over the water surface from both sides of a boat being provided with an oar...
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JPS6013898U |
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JPS605996U |
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JPS605997U |
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JPS59195093U |
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JPS59184298U |
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JPS59172698U |
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