Document Type and Number:
Japanese Patent JPS542391
Kind Code:
U
Application Number:
JP7364977U
Publication Date:
January 09, 1979
Filing Date:
June 08, 1977
Export Citation:
International Classes:
G08B17/00; G08B19/00; G08B31/00; (IPC1-7): G08B19/00; G08B17/00
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