Title:
【考案の名称】コードレスヘツドホン
Document Type and Number:
Japanese Patent JPH04119196
Kind Code:
U
Inventors:
Hisao Sugiyama
Kimura Masanori
Kimura Masanori
Application Number:
JP2907691U
Publication Date:
October 26, 1992
Filing Date:
April 01, 1991
Export Citation:
International Classes:
H04R1/10; (IPC1-7): H04R1/10
Domestic Patent References:
| JP1156643B | ||||
| JPS59238A | 1984-01-05 | |||
| JPH02246598A | 1990-10-02 |