Document Type and Number:
Japanese Patent JPS5785780
Kind Code:
U
More Like This:
| JP7431425 | voice transmission device |
| JP7377030 | Vibrator mounting structure |
| WO/2018/084028 | ACOUSTIC DEVICE AND VIBRATION TRANSMISSION METHOD |
Application Number:
JP16398880U
Publication Date:
May 27, 1982
Filing Date:
November 14, 1980
Export Citation:
International Classes:
H04R1/00; A47C27/00; B06B1/04; H04R1/02; (IPC1-7): H04R1/00; A47C27/00; B06B1/04; H04R1/02