| 发明名称 |
Multilayer water-tight mat is for root braking |
| 摘要 |
The multilayer water-tight mat consists of at least one layer of copper foil, a layer of bentonite and at least one layer of nonwoven that can be needled. At least two layers are joined together through needling and the mat has preferably an additional covering fabric.
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| 申请公布号 |
DE19757256(A1) |
申请公布日期 |
1998.07.16 |
| 申请号 |
DE19971057256 |
申请日期 |
1997.12.23 |
| 申请人 |
EICHENAUER, THOMAS, LINZ, AT |
发明人 |
EICHENAUER, THOMAS, LINZ, AT |
| 分类号 |
B32B5/06;B32B15/14;D04H13/00;E02D31/00;E04D11/00;(IPC1-7):B32B15/20;D04H1/46;D04H5/08;D06N5/00;D06N7/00 |
主分类号 |
B32B5/06 |
| 代理机构 |
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代理人 |
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