Document Type and Number:
Japanese Patent JPS6230158
Kind Code:
Y2
Application Number:
JP1048580U
Publication Date:
August 03, 1987
Filing Date:
January 31, 1980
Export Citation:
International Classes:
G08B19/00; G08B5/00; G08B5/22; G08B23/00; G08B25/00; (IPC1-7): G08B23/00