Document Type and Number:
Japanese Patent JPS62151696
Kind Code:
U
Application Number:
JP3709986U
Publication Date:
September 25, 1987
Filing Date:
March 13, 1986
Export Citation:
International Classes:
G08B19/00; G08B25/10; H04B5/04; (IPC1-7): G08B19/00; G08B25/02; H04B5/04