Wave Tec G.m.b.H.

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Laxenburg, AT

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Patents Grantslast 30 patents

Information Patent Grant
Drilling apparatus of the cutting and shearing type
- Patent number 5,220,966
- Issue date Jun 22, 1993
- Wave Tec G.m.b.H.
- Wsewolod S. Awdujewski
- E21 - EARTH DRILLING MINING