发明名称 |
Multilayer sound absorbing structure comprising mesh layer |
摘要 |
A multilayer sound absorbing structure, comprising a first microperforated film, a mesh layer and a second microperforated film disposed in this order is provided.
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申请公布号 |
US8573358(B2) |
申请公布日期 |
2013.11.05 |
申请号 |
US20090993539 |
申请日期 |
2009.05.06 |
申请人 |
NONOGI MARI;SASAKI MAKOTO;NORO TETSUYA;3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
NONOGI MARI;SASAKI MAKOTO;NORO TETSUYA |
分类号 |
E04B1/82;E04B1/74;E04B1/84 |
主分类号 |
E04B1/82 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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