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CHEMTRON POLYMERS, INC. ( A NEVADA CORPORATION

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  • KIRKLAND, WA, US
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  • Information Patent Grant

    Low temperature concrete hardener
    • Patent number 5,993,531
    • Issue date Nov 30, 1999
    • Chemtron Polymers
    • Nicholas P. Ehnot
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

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