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CALOR-EMAG ELEKTRIZITATS-AKTIENGESELLSCHAFT, A GERMAN CORP

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  • RATINGEN, DE
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    Vacuum switch chamber
    • Patent number 4,937,405
    • Issue date Jun 26, 1990
    • Calor-Emag Elektrizitats Aktiengesellschaft
    • Gunter Pilsinger
    • H01 - BASIC ELECTRIC ELEMENTS

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