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发明名称
SETT ATT FORLEGGA EN RORLEDNING FOR HETA MEDIER
摘要
In a method for laying a pipeline, one end of the inner pipe is initially closed in a pressure proof manner, the inner space of the inner pipe is evacuated and water vapour is introduced into the inner space.
申请公布号
SE8302461(D0)
申请公布日期
1983.05.02
申请号
SE19830002461
申请日期
1983.05.02
申请人
KABELMETAL ELECTRO GMBH
发明人
P * HUBER
分类号
F16L1/028
主分类号
F16L1/028
代理机构
代理人
主权项
地址
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