Document Type and Number:
Japanese Patent JPS52130031
Kind Code:
U
Application Number:
JP3924076U
Publication Date:
October 03, 1977
Filing Date:
March 31, 1976
Export Citation:
International Classes:
H02H9/00; H02H7/00; H02H9/04; (IPC1-7): H02H9/04; H02H7/00