| 发明名称 |
Tubos para transportar água potável |
| 摘要 |
<p>A pipe for conveying drinking water consists of (a) a main layer of polyolefin covered on the outside by (b) a layer of a thermoplastic polymer which is hermetic to hydrocarbons.</p> |
| 申请公布号 |
BR9600965(A) |
申请公布日期 |
1997.12.30 |
| 申请号 |
BR19969600965 |
申请日期 |
1996.03.08 |
| 申请人 |
ELF ATOCHEM S.A. |
发明人 |
DANIEL SIOUR;OLIVIER DENIZERT |
| 分类号 |
E03B7/00;B32B1/08;B32B27/32;E03C1/00;F16L9/12;F16L11/04;(IPC1-7):B32B1/08;B32B27/08;B29D23/24 |
主分类号 |
E03B7/00 |
| 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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