Document Type and Number:
Japanese Patent JPS6212117
Kind Code:
U
Application Number:
JP10180585U
Publication Date:
January 24, 1987
Filing Date:
July 05, 1985
Export Citation:
International Classes:
G02B26/12; G02B26/10; G02B27/00; G02B27/09; (IPC1-7): G02B26/10; G02B27/00
Domestic Patent References:
| JPS58132719A | 1983-08-08 |