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KEY CONCRETE PRODUCTS LTD.

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  • Calgary, CA
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Patents Applicationslast 30 patents

  • Information Patent Application

    PRE-CAST CONCRETE STRUCTURES
    • Publication number 20150093203
    • Publication date Apr 2, 2015
    • KEY CONCRETE PRODUCTS LTD.
    • Robert Gordon Heemskerk
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PRE-CAST CONCRETE STRUCTURES
    • Publication number 20130305630
    • Publication date Nov 21, 2013
    • KEY CONCRETE PRODUCTS LTD.
    • Robert Gordon Heemskerk
    • E04 - BUILDING

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