Document Type and Number:
Japanese Patent JPS4410643
Kind Code:
Y1
Application Number:
JP5147067U
Publication Date:
April 30, 1969
Filing Date:
June 14, 1967
Export Citation:
International Classes:
H04H40/54; H03J3/12; H03J3/14; (IPC1-7): H04H5/00; H03J3/12