Document Type and Number:
Japanese Patent JPS51101938
Kind Code:
U
Application Number:
JP11854974U
Publication Date:
August 16, 1976
Filing Date:
September 30, 1974
Export Citation:
International Classes:
G03D15/00; G03B31/00; (IPC1-7): G03B31/00
Domestic Patent References:
| JPS4821532A |