Document Type and Number:
Japanese Patent JPS50116037
Kind Code:
A
Application Number:
JP2197374A
Publication Date:
September 11, 1975
Filing Date:
February 26, 1974
Export Citation:
International Classes:
G03B31/04; G03B31/00; (IPC1-7): G03B31/00
Domestic Patent References:
| JPS50126U | 1975-01-06 |