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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57132890
Kind Code:
U
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Application Number:
JP1970581U
Publication Date:
August 19, 1982
Filing Date:
February 14, 1981
Export Citation:
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International Classes:
F16L15/04; F16L35/00; (IPC1-7): F16L35/00; F16L15/04



 
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