Document Type and Number:
Japanese Patent JPS53121878
Kind Code:
U
Application Number:
JP2646277U
Publication Date:
September 28, 1978
Filing Date:
March 04, 1977
Export Citation:
International Classes:
G01R31/02; G01K7/00; G01K7/02; (IPC1-7): G01R31/02; G01K7/00
Domestic Patent References:
| JPS4932024A | 1974-03-23 | |||
| JPS5148076B1 | 1976-12-18 |