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发明名称
Insulated pipe
摘要
A reinsulated underground steam pipe within a conduit, with an annular area formed between the pipe (20) and the conduit (18), with a rigid plastic foam structure (60) disposed in the annular area. <IMAGE>
申请公布号
EP1584856(A2)
申请公布日期
2005.10.12
申请号
EP20050013316
申请日期
1997.07.01
申请人
US
发明人
US;US
分类号
F16L59/00;A61M25/06;F16L1/028;F16L59/14;(IPC1-7):F16L59/14
主分类号
F16L59/00
代理机构
代理人
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