Document Type and Number:
Japanese Patent JPS4868582
Kind Code:
U
Application Number:
JP11287271U
Publication Date:
August 31, 1973
Filing Date:
November 30, 1971
Export Citation:
International Classes:
G01R17/20; G01R17/00; (IPC1-7): G01R17/00
Domestic Patent References:
| JPS4419091Y1 | 1969-08-16 |