Soren P. Prebensen

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Nacka, SE

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Patents Grantslast 30 patents

Information Patent Grant
Rock bolting apparatus
- Patent number 4,226,559
- Issue date Oct 7, 1980
- Atlas Copco Aktiebolag
- Soren P. Prebensen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill steel centralizer
- Patent number 4,182,424
- Issue date Jan 8, 1980
- Atlas Copco Aktiebolag
- Soren P. Prebensen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rock bolting apparatus
- Patent number 4,158,520
- Issue date Jun 19, 1979
- Atlas Copco Aktiebolag
- Soren P. Prebensen
- E21 - EARTH DRILLING MINING