TREA

Tangshan Changzhi Agricultural Tools Design Manufacturing Co., Ltd.

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  • Tangshan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rapid assembly type tool rod connection structure
    • Patent number 12,337,459
    • Issue date Jun 24, 2025
    • Tangshan Changzhi Agricultural Tools Design Manufacturing Co., Ltd.
    • Changzhi Fu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    Rapid Assembly Type Tool Rod Connection Structure
    • Publication number 20230029516
    • Publication date Feb 2, 2023
    • Tangshan Changzhi Agricultural Tools Design Manufacturing Co.,Ltd.
    • Changzhi FU
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TOOL BAR
    • Publication number 20210387321
    • Publication date Dec 16, 2021
    • Tangshan Changzhi Agricultural Tools Design Manufacturing Co.,Ltd.
    • Changzhi FU
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Trademarklast 30 trademarks