| http://www.w3.org/ns/prov#value | - In one embodiment, the present invention is a method of cleaning a movie screen by applying a cleaning...http://www.google.es/patents/US6375755?utm_source=gb-gplus-sharePatente US6375755 - Method of cleaning a movie screen B???squeda avanzada de patentes N???mero de publicaci???nUS6375755 B1Tipo de publicaci???nConcesi???n N???mero de solicitudUS 09/493,055 Fecha de publicaci???n23 Abr 2002 Fecha
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