Document Type and Number:
Japanese Patent JPS5382341
Kind Code:
U
Application Number:
JP16511476U
Publication Date:
July 07, 1978
Filing Date:
December 09, 1976
Export Citation:
International Classes:
G02B7/10; G02B7/04; (IPC1-7): G02B7/04
Domestic Patent References:
| JPS3917579Y1 |