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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5241378
Kind Code:
Y2
Application Number:
JP4368772U
Publication Date:
September 19, 1977
Filing Date:
April 13, 1972
Export Citation:
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International Classes:
G03B17/30; B65H19/28; G03B1/04; G03B1/58; (IPC1-7): G03B1/04