Document Type and Number:
Japanese Patent JPS61136671
Kind Code:
U
Application Number:
JP1896485U
Publication Date:
August 25, 1986
Filing Date:
February 12, 1985
Export Citation:
International Classes:
H03M9/00; G08B23/00; H04M3/08; (IPC1-7): H04M3/08; G08B23/00; H03M9/00