Document Type and Number:
Japanese Patent JPS53136512
Kind Code:
U
Application Number:
JP4140077U
Publication Date:
October 28, 1978
Filing Date:
April 01, 1977
Export Citation:
International Classes:
H02H7/04; H01F27/40; H01F30/02; (IPC1-7): H01F31/02; H01F27/40; H02H7/04