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发明名称
Noise silencers with audio device
摘要
申请公布号
CZ12975(U1)
申请公布日期
2003.04.16
申请号
CZ20020013746U
申请日期
2002.12.11
申请人
ZIDEK PETR
发明人
ZIDEK PETR
分类号
A61F11/06;A42B3/16;A61F11/14;(IPC1-7):A61F11/06
主分类号
A61F11/06
代理机构
代理人
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