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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH01100139
Kind Code:
U
Application Number:
JP19627187U
Publication Date:
July 05, 1989
Filing Date:
December 24, 1987
Export Citation:
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International Classes:
G03B27/62; G03B27/32; (IPC1-7): G03B27/62; G03B27/32



 
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