Title:
【考案の名称】スピ-カ装置
Document Type and Number:
Japanese Patent JPS59159097
Kind Code:
U
Inventors:
Hatori Jun
Application Number:
JP5450883U
Publication Date:
October 25, 1984
Filing Date:
April 12, 1983
Export Citation:
International Classes:
H04R7/20; (IPC1-7): H04R7/20