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  • Guangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston type pneumatic engine
    • Patent number 8,499,553
    • Issue date Aug 6, 2013
    • Daode Cai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON-TYPE PNEUMATIC ENGINE
    • Publication number 20120090456
    • Publication date Apr 19, 2012
    • Daode CAI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES