Document Type and Number:
Japanese Patent JPS4987343
Kind Code:
A
Application Number:
JP12824672A
Publication Date:
August 21, 1974
Filing Date:
December 22, 1972
Export Citation:
International Classes:
G01J4/04; G02B5/30; G02B27/28
Foreign References:
| US3687555A | 1972-08-29 |