Document Type and Number:
Japanese Patent JPS491987
Kind Code:
A
Application Number:
JP2891073A
Publication Date:
January 09, 1974
Filing Date:
March 12, 1973
Export Citation:
International Classes:
H02J13/00; H03H11/04; H03H19/00; H03J9/00; H04Q9/10; (IPC1-7): H04B3/54
Next Patent: JPS491988