TREA

Harold L. Benham

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  • Middlesex, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for treating metal surfaces
    • Patent number 5,004,646
    • Issue date Apr 2, 1991
    • The British Petroleum Company p.l.c.
    • Harold L. Benham
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...