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发明名称
BONE CONDUCTION VOICE PICKUP DEVICE AND SPEECH EQUIPMENT
摘要
申请公布号
JPH0970086(A)
申请公布日期
1997.03.11
申请号
JP19950223558
申请日期
1995.08.31
申请人
NIPPON ZETSUKUSU KK
发明人
CHIKASAWA SHIGETADA
分类号
H04R17/00;H04R1/00;H04R3/00;(IPC1-7):H04R1/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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