Title:
【考案の名称】スピ-カ用磁気回路
Document Type and Number:
Japanese Patent JPS5883897
Kind Code:
U
Inventors:
Yukio Matsumoto
Application Number:
JP17982381U
Publication Date:
June 07, 1983
Filing Date:
December 02, 1981
Export Citation:
International Classes:
H04R9/02; H04R9/06; H04R31/00; (IPC1-7): H04R9/02; H04R9/06; H04R31/00