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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5436819
Kind Code:
U
Application Number:
JP11085877U
Publication Date:
March 10, 1979
Filing Date:
August 18, 1977
Export Citation:
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International Classes:
F16L33/00; F16L33/22; F16L33/28; (IPC1-7): F16L33/22
Domestic Patent References:
JPS4840818B11973-12-03
Foreign References:
US3239252A1966-03-08