Document Type and Number:
Japanese Patent JPS5238132
Kind Code:
Y2
Application Number:
JP11001471U
Publication Date:
August 30, 1977
Filing Date:
November 24, 1971
Export Citation:
International Classes:
G08B5/00; G08B5/36; G09F13/20; H05B41/36; (IPC1-7): G09F13/20; H05B41/36