TREA

Kenzo Aoki

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switchboard control system
    • Patent number 4,580,259
    • Issue date Apr 1, 1986
    • Futjitsu Limited
    • Hidemi Harada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE