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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0281993
Kind Code:
U
Application Number:
JP16126688U
Publication Date:
June 25, 1990
Filing Date:
December 14, 1988
Export Citation:
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International Classes:
F16L29/00; F16L55/10; (IPC1-7): F16L55/10; F16L29/00
Domestic Patent References:
JP60110791B
JP57130415B