Document Type and Number:
Japanese Patent JPS5168843
Kind Code:
A
Inventors:
GOTO SAIZO
ARAYA SHOICHI
OKUKI SUSUMU
ARAYA SHOICHI
OKUKI SUSUMU
Application Number:
JP14161974A
Publication Date:
June 14, 1976
Filing Date:
December 11, 1974
Export Citation:
Assignee:
GOTO OPTICAL MFG CO
International Classes:
G02B9/12; (IPC1-7): G02B9/12
Domestic Patent References:
| JP39025755A | ||||
| JP43007397A | ||||
| JP46041507A |
Foreign References:
| GB873703A | 1961-07-26 | |||
| US3087384A | 1963-04-30 |