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Shijiazhuang Zhongmei Coal Mine Equipment Manufacture Co., Ltd..

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  • Shijiazhuang, Hebei, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ASSEMBLED DRILLING TOOL
    • Publication number 20130220705
    • Publication date Aug 29, 2013
    • Shijiazhuang Zhongmei Coal Mine Equipment Manufacture Co., Ltd..
    • Chunbao Feng
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    MULTISTAGE PNEUMATIC MOTOR
    • Publication number 20130055884
    • Publication date Mar 7, 2013
    • Shijiazhuang Zhongmei Coal Mine Equipment Manufacture Co., Ltd..
    • Chunbao Feng
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

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