Document Type and Number:
Japanese Patent JPS51110535
Kind Code:
U
Application Number:
JP2946975U
Publication Date:
September 07, 1976
Filing Date:
March 03, 1975
Export Citation:
International Classes:
G03B19/18; G03B17/00; G03B23/02; G03B31/00; (IPC1-7): G03B17/00; G03B23/02; G03B31/00
Domestic Patent References:
| JPS502527A | 1975-01-11 |