DIN EN ISO 13503-2 (2005-08)廢止
Petroleum and natural gas industries - Completion fluids and materials Part 2: Measurement of properties of proppants used in hydraulic fracturing and gravel-packing operations (ISO/DIS 13503-2:2004); English version prEN ISO 13503-2:2004
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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