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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH048883
Kind Code:
U
Application Number:
JP4994390U
Publication Date:
January 27, 1992
Filing Date:
May 14, 1990
Export Citation:
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International Classes:
F16K31/126; F16K31/34; G05D9/04; (IPC1-7): F16K31/126; F16K31/34; G05D9/04
Domestic Patent References:
JPS63111472A1988-05-16
JPS5239824A1977-03-28



 
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