TREA

Reiner Kierst

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  • Bergisch-Gladbach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston ring with annular expander spring
    • Patent number 4,462,602
    • Issue date Jul 31, 1984
    • Goetze AG
    • Bert Brauers
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...