Document Type and Number:
Japanese Patent JPS5066247
Kind Code:
A
Application Number:
JP11455573A
Publication Date:
June 04, 1975
Filing Date:
October 11, 1973
Export Citation:
International Classes:
G03B31/04; G03B31/00; (IPC1-7): G03B31/00
Domestic Patent References:
| JPS4723936A |