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Jun Zamma

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Patents Grantslast 30 patents

  • Information Patent Grant

    Catalytic converter
    • Patent number 4,347,221
    • Issue date Aug 31, 1982
    • Toyo Engineering Corporation
    • Jun Zamma
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Chemical process and apparatus therefor
    • Patent number 4,321,234
    • Issue date Mar 23, 1982
    • Toyo Engineering Corporation
    • Kozo Ohsaki
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL