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2008
|
Invention
|
Method for joining tubes, rods and bolts.
The present invention concerns a method for forge weld... |
|
|
Invention
|
Apparatuses for and methods of forge welding elongated articles with electrodes and an induction ... |
|
|
Invention
|
A method for joining tubes, rods and bolts.
The present invention concerns a meth... |
|
|
Invention
|
A method for joining tubes, rods and bolts. The present invention concerns a method for forge wel... |
|
|
Invention
|
Apparatuses for and methods of forge welding elongated article with electrodes and an induction c... |
|
1985
|
Invention
|
A method for establishing a connection from the sea bed to a tunnel positioned below. A method fo... |