Document Type and Number:
Japanese Patent JPS5222602
Kind Code:
Y2
Application Number:
JP1918972U
Publication Date:
May 24, 1977
Filing Date:
February 15, 1972
Export Citation:
International Classes:
G08B21/00; A47J27/00; A47J36/32; G08B3/10; H01H37/52; H01H37/64; (IPC1-7): H01H37/52; G08B3/10