Document Type and Number:
Japanese Patent JPS5390496
Kind Code:
U
Application Number:
JP17454276U
Publication Date:
July 24, 1978
Filing Date:
December 24, 1976
Export Citation:
International Classes:
G08B13/00; G08B13/02; G08B13/22; (IPC1-7): G08B13/00; G08B13/22