Document Type and Number:
Japanese Patent JPS63115126
Kind Code:
U
Application Number:
JP721787U
Publication Date:
July 25, 1988
Filing Date:
January 21, 1987
Export Citation:
International Classes:
G03B9/36; (IPC1-7): G03B9/36
Domestic Patent References:
| JPS6388537A | 1988-04-19 | |||
| JPS58118628A | 1983-07-14 |