Title:
【考案の名称】ヘツドホン
Document Type and Number:
Japanese Patent JPS59144988
Kind Code:
U
Inventors:
Chiba Yoshio
Application Number:
JP3926083U
Publication Date:
September 27, 1984
Filing Date:
March 18, 1983
Export Citation:
International Classes:
H04R1/10; (IPC1-7): H04R1/10