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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH03108988
Kind Code:
U
Application Number:
JP1850290U
Publication Date:
November 08, 1991
Filing Date:
February 26, 1990
Export Citation:
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International Classes:
F16L19/00; F16L23/04; F16L33/02; (IPC1-7): F16L33/02; F16L19/00
Domestic Patent References:
JPS639831U1988-01-22



 
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