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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS48111139
Kind Code:
U
More Like This:
Application Number:
JP3647272U
Publication Date:
December 20, 1973
Filing Date:
March 27, 1972
Export Citation:
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International Classes:
G03B27/50; G03B27/72; G03G15/04; G03G15/043; (IPC1-7): G03G15/04; G03B27/50
Domestic Patent References:
JP30000771A



 
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