Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS55151005
Kind Code:
U
Application Number:
JP5117879U
Publication Date:
October 31, 1980
Filing Date:
April 16, 1979
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
H04R1/02; F21S2/00; (IPC1-7): F21Q3/02; H04R1/02