TREA

Arthur E. H. Elmer

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  • Stroud, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic control valves
    • Patent number 4,176,630
    • Issue date Dec 4, 1979
    • Dynair Limited
    • Arthur E. H. Elmer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES