Document Type and Number:
Japanese Patent JPS4847834
Kind Code:
A
Application Number:
JP8225971A
Publication Date:
July 06, 1973
Filing Date:
October 18, 1971
Export Citation:
International Classes:
G03B1/14; B65H20/22; G03B1/00; G03B1/18; G03B17/00; G03B23/00; (IPC1-7): G03B23/00