| 发明名称 |
Material não-tecido acústico para elementos de cobertura perfurados |
| 摘要 |
A ply has a base weight of not more than 45 g/m2 for use in a ceiling element and includes a fiber blend in a proportion of not more than 30 g/m2 a flame retardant in a proportion of not more than 10 g/m2. |
| 申请公布号 |
BRPI0816874(A2) |
申请公布日期 |
2015.03.17 |
| 申请号 |
BR2008PI16874 |
申请日期 |
2008.05.09 |
| 申请人 |
CARL FREUDENBERG KG |
发明人 |
HOLGER SCHILLING;JOCHEN BECHTUM;GERHARD STUPPY;GÜNTER FREY |
| 分类号 |
D06M11/71;D04H1/42;D04H1/4218;D04H1/425;D04H1/587;E04B1/84;E04B1/88;E04B1/90;E04B9/34;G10K11/162 |
主分类号 |
D06M11/71 |
| 代理机构 |
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代理人 |
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