Document Type and Number:
Japanese Patent JPS5060041
Kind Code:
U
Application Number:
JP11291673U
Publication Date:
June 03, 1975
Filing Date:
September 29, 1973
Export Citation:
International Classes:
G03B31/06; G03B21/00; G03B23/10; G03B31/00; (IPC1-7): G03B21/00; G03B23/10; G03B31/00