TREA

Dieter Brier

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  • Werdohl, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing hot-formed steel springs
    • Patent number 10,689,726
    • Issue date Jun 23, 2020
    • Thyssenkrupp Federn und Stabilisatoren GmbH
    • Dieter Lechner
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents