Document Type and Number:
Japanese Patent JPS5615246
Kind Code:
U
Application Number:
JP9713979U
Publication Date:
February 09, 1981
Filing Date:
July 14, 1979
Export Citation:
International Classes:
H02H11/00; G08B21/00; G08B23/00; (IPC1-7): H02H11/00; G08B23/00