TREA

Gerhard Esfeld

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  • Salzgitter, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ceramic burner
    • Patent number 4,259,064
    • Issue date Mar 31, 1981
    • Didier-Werke AG
    • Walter Laux
    • C21 - METALLURGY OF IRON