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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5427960
Kind Code:
Y2
Application Number:
JP12716773U
Publication Date:
September 10, 1979
Filing Date:
November 05, 1973
Export Citation:
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International Classes:
G03B17/00; G03B17/42; (IPC1-7): G03B17/42; G03B17/00



 
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