Gunter Krumholz

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Cologne, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the successive welding of consecutive chai...
- Patent number 4,012,618
- Issue date Mar 15, 1977
- Meyer, Roth & Pastor Maschinenfabrik GmbH
- Bruno Ebel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...