Lightweight spun-bonded nonwoven fabric having special barrier properties
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United States of America Patent
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Apr 5, 2011
Grant Date -
Sep 17, 2009
app pub date -
Mar 20, 2009
filing date -
Sep 21, 2006
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Abstract
·min), wherein the product of the air permeability and the basis weight is ≦5000 g/(m·min).
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