| http://www.w3.org/ns/prov#value | - Patente US5688844 - Resilient well cement compositions and methods - Google PatentesB???squeda Im???genes Maps Play YouTube Noticias Gmail Drive M???s ??Iniciar sesi???n B???squeda avanzada de patentesPatentesThe present invention provides resilient cement compositions and methods which are particularly useful in the construction and repair of oil and gas wells.
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