TREA

Dazhi HE

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  • Hangzhou, Zhejiang Province, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Energy-saving traction-type elevator
    • Patent number 10,329,117
    • Issue date Jun 25, 2019
    • Hangzhou Simaero Technology Co., Ltd.
    • Rongwei Ye
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents