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发明名称
Tragbare Vorrichtung zur Aufnahme und Wiedergabe von Außengeräuschen
摘要
申请公布号
DE19743354(C2)
申请公布日期
1999.08.05
申请号
DE19971043354
申请日期
1997.09.30
申请人
SPYRA, WOLFRAM, 34123 KASSEL, DE
发明人
SPYRA, WOLFRAM, 34123 KASSEL, DE
分类号
H04R5/033;(IPC1-7):H04R3/00;H04R1/10;G09B19/04;A61B19/00
主分类号
H04R5/033
代理机构
代理人
主权项
地址
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