|
GB831399A
|
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Improvements in and relating to electromagnetic interaction pumps or devices for usein metal casting techniques
|
|
GB874109A
|
|
Improvements in or relating to electric arc welding
|
|
GB845224A
|
|
Improvements in or relating to arc welding electrode
|
|
GB815854A
|
|
Method for the construction of metallic pieces of work by welding with the electric arc
|
|
GB827834A
|
|
Process and apparatus for making a cornice weld
|
|
GB827833A
|
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Improvements in or relating to automatic electric arc welding
|
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DE1003881B
|
|
Switching arrangement for the automatic arc welding with tube control for the electrode feed
|
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CA628655A
|
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Automatic arc welding process, equipment and electrode
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