A method of establishing subterranean pipelines of heat insulated, concentric pipes, such a pipeline and a pipe element therefor
A Standard patent application filed on 06 March 1991 credited to Pedersen, Hans Norgaard
Details
Application number :
74556
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
A method of establishing subterranean pipelines of heat insulated, concentric pipes, such a pipeline and a pipe element therefor