Title:
【考案の名称】発光型スピ-カ
Document Type and Number:
Japanese Patent JPS59144983
Kind Code:
U
Inventors:
Shinichi Castle
Application Number:
JP4007583U
Publication Date:
September 27, 1984
Filing Date:
March 18, 1983
Export Citation:
International Classes:
F21V33/00; H04R1/00; H04R1/02; (IPC1-7): H04R1/00; F21V33/00