<http://webisa.webdatacommons.org/299743238>	<http://www.w3.org/ns/prov#value>	"Here, in the case where the film is a microporous polypropylene film produced by means of the ??-crystal technique, it is difficult to enlarge the average pore size." .
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<http://webisa.webdatacommons.org/299743238>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/177646723>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299743238> .