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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4938433
Kind Code:
Y1
Application Number:
JP4200368U
Publication Date:
October 22, 1974
Filing Date:
May 22, 1968
Export Citation:
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International Classes:
B65H1/26; B65H3/02; B65H3/06; G03B27/14; G03G15/00; (IPC1-7): G03G15/00; B65H1/26; B65H3/02; G03B27/14
Domestic Patent References:
JPS4318544Y11968-07-31
JPS424862Y11967-03-14
JP44000828A
Foreign References:
US2945434A1960-07-19
US0294543A1884-03-04