Document Type and Number:
Japanese Patent JPS57182178
Kind Code:
U
Application Number:
JP6835381U
Publication Date:
November 18, 1982
Filing Date:
May 12, 1981
Export Citation:
International Classes:
G01R19/165; H02H3/08; (IPC1-7): G01R19/165
Domestic Patent References:
| JPS55164371A | 1980-12-22 | |||
| JP50135470B | ||||
| JPS5440669A | 1979-03-30 |