|
2013
|
Invention
|
Spark erosion tool and electrode for a spark erosion tool. A spark erosion tool includes an elect... |
|
2011
|
Invention
|
Corrosion-resistant austenitic steel alloy. An austenitic, substantially ferrite-free steel alloy... |
|
2010
|
Invention
|
Process for producing a corrosion-resistant austenitic alloy component. An austenitic, substantia... |
|
2005
|
Invention
|
Drill, and drilling method. The invention relates to a drill (4) and a device or a method for dri... |
|
2004
|
Invention
|
Component for use in oil field technology made of a material which comprises a corrosion-resistan... |
|
1988
|
P/S
|
Tiges de forage, pièces extrudées pour le forage. |
