TREA

Joachim Hannich

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  • Amberg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Three-phase switchgear
    • Patent number 4,471,183
    • Issue date Sep 11, 1984
    • Siemens Aktiengesellschaft
    • Johann Bauer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of manufacturing a contact bridge
    • Patent number 4,222,167
    • Issue date Sep 16, 1980
    • Siemens Aktiengesellschaft
    • Heinrich Hassler
    • H01 - BASIC ELECTRIC ELEMENTS