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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH03114694
Kind Code:
U
Application Number:
JP2289890U
Publication Date:
November 26, 1991
Filing Date:
March 06, 1990
Export Citation:
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International Classes:
F16L37/23; F16L37/22; F16L37/28; F16L37/44; F16L39/04; F16L41/02; (IPC1-7): F16L39/04; F16L37/28; F16L37/22; F16L37/44; F16L41/02
Domestic Patent References:
JPS6344638U1988-03-25
JP63084486B