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发明名称
Feuersichere Schutzabdeckung eines Lautsprechers
摘要
申请公布号
DE20312546(U1)
申请公布日期
2003.10.16
申请号
DE20032012546U
申请日期
2003.08.14
申请人
PENTON COMMUNICATIONS, INC.
发明人
分类号
H04R1/02;(IPC1-7):H04R1/00
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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