| 发明名称 |
Microperforated metal foil |
| 摘要 |
The invention relates to a microperforated metal foil and to a process for the preparation thereof which is characterized in that a self-supporting metal foil is perforated with a needle-punching machine.
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| 申请公布号 |
US7838125(B2) |
申请公布日期 |
2010.11.23 |
| 申请号 |
US20070956441 |
申请日期 |
2007.12.14 |
| 申请人 |
PELZER ACOUSTIC PRODUCTS, LLC |
发明人 |
PELZER MARC;JANZEN STEFAN |
| 分类号 |
B32B3/10 |
主分类号 |
B32B3/10 |
| 代理机构 |
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代理人 |
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