Gustav-Adolf Pettersson

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Hofors, SE

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Patents Grantslast 30 patents

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Method and apparatus to reduce the outer diameter and wall thicknes...
- Patent number 5,125,251
- Issue date Jun 30, 1992
- Mannesmann AG
- Gustav-Adolf Pettersson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...