DIN EN ISO 13503-2:2010-03
Действует
Petroleum and natural gas industries - Completion fluids and materials - Part 2: Measurement of properties of proppants used in hydraulic fracturing and gravel-packing operations (ISO 13503-2:2006 + Amd 1:2009); English version EN ISO 13503-2:2006 + A1:2009
— 42 стр.
