Document Type and Number:
Japanese Patent JPS53146031
Kind Code:
U
Application Number:
JP5104177U
Publication Date:
November 17, 1978
Filing Date:
April 22, 1977
Export Citation:
International Classes:
H02B1/30; G08B17/00; G08B21/00; G08B23/00; G08B25/14; H02B1/04; (IPC1-7): H02B1/04; G08B17/00; G08B21/00
Domestic Patent References:
| JPS4945480B1 | 1974-12-04 |