Hans-Albert Schubert

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Dusseldorf, DT

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Patents Grantslast 30 patents

Information Patent Grant
Ring forging apparatus for forming and enlarging large rings
- Patent number 4,073,180
- Issue date Feb 14, 1978
- Pahnke Engineering G.m.b.H. & Co. KG
- Hans J. Pahnke
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...