FLEXIBLE COMPOSITE MATERIAL
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United States of America Patent
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Issued Date -
Aug 28, 2014
app pub date -
Sep 28, 2012
filing date -
Sep 30, 2011
priority date (Note) -
Abandoned
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Abstract
A concrete formwork liner comprising a flexible laminate material, said material including at least one sub-layer of paper bonded to a layer of plastic, wherein the plastic layer makes direct contact with the concrete.
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