Jakob Wolters

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Wegberg/Beeck, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for clamping to the end of a pipe
- Patent number 4,773,689
- Issue date Sep 27, 1988
- Wirth Maschinen-und Bohrgerate-Fabrik GmbH
- Jakob Wolters
- E21 - EARTH DRILLING MINING