Document Type and Number:
Japanese Patent JPS5039552
Kind Code:
A
Application Number:
JP9031173A
Publication Date:
April 11, 1975
Filing Date:
August 11, 1973
Export Citation:
International Classes:
G03G21/00; G03G15/00; G03G15/10; (IPC1-7): G03G15/00
Foreign References:
US3348523A | 1967-10-24 |