Document Type and Number:
Japanese Patent JPH0231589
Kind Code:
Y2
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Application Number:
JP14471486U
Publication Date:
August 27, 1990
Filing Date:
September 19, 1986
Export Citation:
International Classes:
F04B9/12; F04B37/12; F15B3/00; (IPC1-7): F04B37/12; F15B3/00
Next Patent: JPH0231590