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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63148209
Kind Code:
U
Application Number:
JP4042287U
Publication Date:
September 29, 1988
Filing Date:
March 19, 1987
Export Citation:
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International Classes:
G02C3/04; A44C25/00; G02B25/00; (IPC1-7): A44C25/00; G02C3/04



 
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