Martin Hermann

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Lunen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Mechanisms for drawing a chain into or through a channel of a chain...
- Patent number 5,167,437
- Issue date Dec 1, 1992
- Westfalia Becorit Industrietechnik GmbH
- Gerhard Merten
- E21 - EARTH DRILLING MINING