Document Type and Number:
Japanese Patent JPS51336
Kind Code:
A
Inventors:
KATO TOSHIKAZU
NAKAO SUMIHIRO
NAKAO SUMIHIRO
Application Number:
JP6988774A
Publication Date:
January 06, 1976
Filing Date:
June 19, 1974
Export Citation:
Assignee:
OLYMPUS OPTICAL CO
International Classes:
G03B31/04; G03B31/00; (IPC1-7): G03B31/00
Domestic Patent References:
| JPS484860B1 | ||||
| JPS3915593Y1 | ||||
| JP48048603B |