Document Type and Number:
Japanese Patent JPS4957886
Kind Code:
A
Application Number:
JP9837572A
Publication Date:
June 05, 1974
Filing Date:
September 30, 1972
Export Citation:
International Classes:
G01N21/88; G01N21/94
Domestic Patent References:
| JP43011717A | ||||
| JPS442469Y1 | 1969-01-29 |