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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6443319
Kind Code:
U
Application Number:
JP13702687U
Publication Date:
March 15, 1989
Filing Date:
September 08, 1987
Export Citation:
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International Classes:
G02B26/10; G03G15/04; (IPC1-7): G02B26/10; G03G15/04



 
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