Document Type and Number:
Japanese Patent JPH02123695
Kind Code:
U
Application Number:
JP3341189U
Publication Date:
October 11, 1990
Filing Date:
March 24, 1989
Export Citation:
International Classes:
G08B19/00; G08B21/00; G08B21/16; G08B23/00; (IPC1-7): G08B23/00; G06F15/74; G08B19/00; G08B21/00