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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS56160385
Kind Code:
U
Application Number:
JP6017280U
Publication Date:
November 30, 1981
Filing Date:
April 30, 1980
Export Citation:
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International Classes:
F16L15/00; F16L19/02; F16L35/00; (IPC1-7): F16L35/00; F16L15/00; F16L19/02
Domestic Patent References:
JPS5033817B21975-11-04
JPS5545086B21980-11-15
JP50050619B



 
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