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Pu Zheng

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  • Guiyang, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    Replaceable Cathode Choking Devices of Aluminum Reduction Cell
    • Publication number 20130233704
    • Publication date Sep 12, 2013
    • CHINA ALUMINUM INTERNATIONAL ENGINEERING CORPORATION LIMITED
    • Yi Yang
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    Cell Bottom Structure of Reduction Cell
    • Publication number 20130186749
    • Publication date Jul 25, 2013
    • CHINA ALUMINUM INTERNATIONAL ENGINEERING CORPORATION LIMITED
    • Chongai Bao
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR