Document Type and Number:
Japanese Patent JPS5558718
Kind Code:
U
Application Number:
JP14092278U
Publication Date:
April 21, 1980
Filing Date:
October 14, 1978
Export Citation:
International Classes:
H03H7/09; H03H7/07; H04H40/45; H04H1/00; (IPC1-7): H03H7/07; H04H5/00