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Guanghui HUANG

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  • Liuyang,, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compression molded combined firework
    • Patent number 9,982,972
    • Issue date May 29, 2018
    • LIUYANG YIHELONG FIREWORKS GROUP CO., LTD
    • Guanghui Huang
    • F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents