Document Type and Number:
Japanese Patent JPS52101943
Kind Code:
U
Application Number:
JP1188176U
Publication Date:
August 02, 1977
Filing Date:
January 30, 1976
Export Citation:
International Classes:
H01F27/28; H01F37/00; (IPC1-7): H01F27/28; H01F31/00; H01F31/06
Domestic Patent References:
| JPS3920466Y1 |
Foreign References:
| US3883834A | 1975-05-13 |