Document Type and Number:
Japanese Patent JPS57185251
Kind Code:
U
Application Number:
JP7438781U
Publication Date:
November 25, 1982
Filing Date:
May 21, 1981
Export Citation:
International Classes:
H04B10/00; H03K17/78; H04B10/25; H04Q9/00; H05B37/02; (IPC1-7): H04B9/00; H03K17/78; H04Q9/00; H05B37/02