Document Type and Number:
Japanese Patent JPS5345531
Kind Code:
Y2
Application Number:
JP1947171U
Publication Date:
October 31, 1978
Filing Date:
March 19, 1971
Export Citation:
International Classes:
H04B17/00; H04B1/02; H04B17/10; H04B17/17; H04B17/18; (IPC1-7): H04B1/40; H04B1/02