Document Type and Number:
Japanese Patent JPS6238400
Kind Code:
Y2
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WO/2019/041260 | INTEGRALLY DESIGNED BONE CONDUCTION DRIVER |
Application Number:
JP16946381U
Publication Date:
September 30, 1987
Filing Date:
November 16, 1981
Export Citation:
International Classes:
H04R25/02; G10K11/22; H04R25/00; (IPC1-7): H04R25/02