Document Type and Number:
Japanese Patent JPS4973478
Kind Code:
U
Application Number:
JP11637572U
Publication Date:
June 26, 1974
Filing Date:
October 06, 1972
Export Citation:
International Classes:
G01K7/22; (IPC1-7): G01K7/22
Domestic Patent References:
| JPS447595Y1 | 1969-03-22 |