Document Type and Number:
Japanese Patent JPS5137228
Kind Code:
A
Inventors:
TOYAMA MASAMICHI
TAKIGAWA TOMOSHI
ICHANAGI TOSHIICHI
TAKIGAWA TOMOSHI
ICHANAGI TOSHIICHI
Application Number:
JP11010074A
Publication Date:
March 29, 1976
Filing Date:
September 25, 1974
Export Citation:
Assignee:
CANON KK
International Classes:
G03B17/18; G03B17/20; (IPC1-7): G03B17/20
Domestic Patent References:
JPS4964426A | 1974-06-21 |