Document Type and Number:
Japanese Patent JPS52120537
Kind Code:
U
Application Number:
JP2677276U
Publication Date:
September 13, 1977
Filing Date:
March 04, 1976
Export Citation:
International Classes:
G01R13/30; H03B1/00; H03B23/00; (IPC1-7): H03B1/00; H03B23/00
Domestic Patent References:
| JPS516046U | 1976-01-17 |