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ÖNORM EN ISO 13503-2:2010-08

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 - Addition of Annex B: Proppand specification (ISO 13503-2:2006 + Amd 1:2009) (consolidated version)
ÖNORM EN ISO 13503-2:2010-08
Действует