Document Type and Number:
Japanese Patent JPS50121217
Kind Code:
U
Application Number:
JP3008174U
Publication Date:
October 03, 1975
Filing Date:
March 18, 1974
Export Citation:
International Classes:
H02P7/29; H01H9/54; H02H7/10; H02M3/135; (IPC1-7): H02M3/135; H02H7/10