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David L. Czirr

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  • Cresskill, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nitric acid system for etching magnesium plates
    • Patent number 4,032,379
    • Issue date Jun 28, 1977
    • Philip A. Hunt Chemical Corporation
    • David L. Czirr
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Nitric acid system for etching magnesium plates
    • Patent number 3,935,118
    • Issue date Jan 27, 1976
    • Philip A. Hunt Chemical Corporation
    • David L. Czirr
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...