| 发明名称 |
HYBRID SOUND ABSORBING SHEET |
| 摘要 |
<p>A hybrid sound absorbing sheet, comprising a microperforated film and a perforated metal foil disposed on the microperforated film, is provided. Also provided is a hybrid sound absorbing sheet comprising a microperforated film and a perforated metal foil disposed on the microperforated film, wherein the perforated metal foil is embossed.</p> |
| 申请公布号 |
WO2009131855(A3) |
申请公布日期 |
2010.01.28 |
| 申请号 |
WO2009US40209 |
申请日期 |
2009.04.10 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY;NONOGI, MARI;SASAKI, MAKOTO;NORO, TETSUYA |
发明人 |
NONOGI, MARI;SASAKI, MAKOTO;NORO, TETSUYA |
| 分类号 |
G10K11/16;B32B15/04;B32B15/08;G10K11/168 |
主分类号 |
G10K11/16 |
| 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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