Document Type and Number:
Japanese Patent JPS52109528
Kind Code:
U
Application Number:
JP1699976U
Publication Date:
August 20, 1977
Filing Date:
February 16, 1976
Export Citation:
International Classes:
H02H11/00; H02H7/00; H02J9/00; H02J9/04; (IPC1-7): H02J9/00; H02H7/00