TREA

Ling YU

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  • Liuyang City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cold firework spurting apparatus
    • Patent number 10,648,782
    • Issue date May 12, 2020
    • Showven Technologies Co., Ltd.
    • Jiangbo Chen
    • F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents