Document Type and Number:
Japanese Patent JPS5126142
Kind Code:
Y1
Application Number:
JP8616470U
Publication Date:
July 02, 1976
Filing Date:
August 28, 1970
Export Citation:
International Classes:
G03B23/12; G03B23/00; (IPC1-7): G03B23/00
Domestic Patent References:
| JP41000260A |