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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5457620
Kind Code:
U
Application Number:
JP13202877U
Publication Date:
April 20, 1979
Filing Date:
September 30, 1977
Export Citation:
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International Classes:
F16L55/04; F16L7/00; (IPC1-7): F16L55/04; F16L7/00
Domestic Patent References:
JPS4724324U1972-11-18
JP46043745A