Christian Hager

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Ahaus, DE

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Patents Grantslast 30 patents

Information Patent Grant
Double-layered sheet metal; process for its production and use of s...
- Patent number 6,063,507
- Issue date May 16, 2000
- Thyssen Stahl AG
- Klaus Blumel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...