DIN EN ISO 13503-2/A1 (2008-04)废止
Petroleum and natural gas industries - Completion fluids and materials Part 2: Measurement of properties of proppants used in hydraulic fracturing and gravel-packing operations; Amendment 1 (ISO 13503-2:2006/DAM 1:2008); English version prEN ISO 13503-2:2006/prA1:2008
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
