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Kam Wa Cheng

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  • Stafford, GB
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  • Information Patent Application

    INSULATED DRIVE VACUUM INTERRUPTER
    • Publication number 20230116363
    • Publication date Apr 13, 2023
    • S&C ELECTRIC COMPANY
    • Nicholas Seng
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VACUUM INTERRUPTER WITH DOUBLE LIVE SHIELD
    • Publication number 20220270837
    • Publication date Aug 25, 2022
    • S&C ELECTRIC COMPANY
    • Leslie T. Falkingham
    • H01 - BASIC ELECTRIC ELEMENTS