TREA

Johannes Boom

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  • Amsterdam, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for separating solids of different shapes
    • Patent number 4,538,735
    • Issue date Sep 3, 1985
    • Shell Oil Company
    • Johannes Boom
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Distributing valve
    • Patent number 4,506,704
    • Issue date Mar 26, 1985
    • Shell Oil Company
    • Johannes Boom
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL