UNE-EN ISO 15136-1:2009 Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 1: Pumps (ISO 15136-1:2009) (Endorsed by AENOR in January of 2010.)
2010UNE-EN ISO 15136-1:2009 Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 1: Pumps (ISO 15136-1:2009) (Endorsed by AENOR in January of 2010.)