Heinrich Tewes

Person

  • Essen, DT

Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing device for a coke oven door

    • Patent number 4,032,409
    • Issue date Jun 28, 1977
    • Firma Carl Still
    • Johannes Knappstein
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...