Document Type and Number:
Japanese Patent JPS5394171
Kind Code:
U
Application Number:
JP17778776U
Publication Date:
August 01, 1978
Filing Date:
December 28, 1976
Export Citation:
International Classes:
G01N21/15; (IPC1-7): G01N21/02; G01N21/26
Domestic Patent References:
| JPS5140387B2 | 1976-11-02 |
Foreign References:
| US3731091A | 1973-05-01 |