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发明名称
Vorrichtung zur Schalldämmung am menschlichen Ohr
摘要
申请公布号
DE29902617(U1)
申请公布日期
1999.05.20
申请号
DE19992002617U
申请日期
1999.02.05
申请人
WILD, LARS, 66583 SPIESEN-ELVERSBERG, DE
发明人
分类号
A61F11/08;H04R1/10;(IPC1-7):G08B21/00;G08B3/10;A61F11/06
主分类号
A61F11/08
代理机构
代理人
主权项
地址
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