Apparatus and method for electrically butt welding of skelp edges faces which have been preheated
A Standard patent application filed on 08 December 1988 credited to
Details
Application number :
26716
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Apparatus and method for electrically butt welding of skelp edges faces which have been preheated