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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS51112546
Kind Code:
U
Application Number:
JP3127675U
Publication Date:
September 11, 1976
Filing Date:
March 07, 1975
Export Citation:
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International Classes:
G03B27/62; B65H5/12; G03B27/32; G03G15/00; G03G15/04; (IPC1-7): G03G15/00; G03B27/32
Foreign References:
US3689143A1972-09-05
US3741647A1973-06-26
US3049968A1962-08-21