| http://www.w3.org/ns/prov#value | - When the optical coating and/or substrate are tempered in an atmosphere reactive to carbon, such as air, the layer of carbon is removed...http://www.google.es/patents/US20050260419?utm_source=gb-gplus-sharePatente US20050260419 - Protective layers for optical coatings B???squeda avanzada de patentes N???mero de publicaci???nUS20050260419 A1Tipo de publicaci???nSolicitud N???mero de solicitudUS 10/
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