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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5614509
Kind Code:
Y2
Application Number:
JP3854076U
Publication Date:
April 06, 1981
Filing Date:
March 30, 1976
Export Citation:
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International Classes:
G03B27/04; G03B27/16; G03B27/54; (IPC1-7): G03B27/16; G03B27/04; G03B27/54