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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS54122854
Kind Code:
U
Application Number:
JP1918778U
Publication Date:
August 28, 1979
Filing Date:
February 16, 1978
Export Citation:
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International Classes:
G03B27/50; G03B19/12; G03B27/52; G03G15/00; G03G15/04; G03G15/047; (IPC1-7): G03G15/04; G03G15/00



 
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