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DONGGUAN CITY MAO SHENG ELECTRONIC ENTERPRISES CO., LTD

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  • Dongguan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for improving automobile exhaust
    • Patent number 10,145,282
    • Issue date Dec 4, 2018
    • DONGGUAN CITY MAO SHENG ELECTRONIC ENTERPRISES CO., LTD
    • Derek Wang
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES