Document Type and Number:
Japanese Patent JPS5422385
Kind Code:
Y2
Application Number:
JP13629674U
Publication Date:
August 04, 1979
Filing Date:
November 12, 1974
Export Citation:
International Classes:
G08B3/06; F42B4/26; F42B12/36; G08B1/08; G08B5/40; G08B7/00; (IPC1-7): G08B1/08