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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS529437
Kind Code:
U
Application Number:
JP9473675U
Publication Date:
January 22, 1977
Filing Date:
July 09, 1975
Export Citation:
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International Classes:
G03B23/02; G03B23/00; (IPC1-7): G03B23/00



 
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