| 发明名称 |
District heating pipe for transport of a heat carrier medium comprises an intermediate insulating layer incorporating a space which is under vacuum and surrounds the inner pipe |
| 摘要 |
<p>District heating pipe for transport of a heat carrier medium comprises an inner pipe (14), an outer protective cover (12), and an intermediate insulating layer (16) incorporating a space, which is under vacuum and surrounds the inner pipe.</p> |
| 申请公布号 |
DE102004043684(A1) |
申请公布日期 |
2005.04.21 |
| 申请号 |
DE20041043684 |
申请日期 |
2004.09.09 |
| 申请人 |
FRAENKISCHE ROHRWERKE GEBR. KIRCHNER GMBH & CO. KG |
发明人 |
PIETSCHMANN, HELMUT |
| 分类号 |
F16L59/14;(IPC1-7):F16L9/12;F16L9/133;F16L9/14 |
主分类号 |
F16L59/14 |
| 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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