Draft Document - Petroleum and natural gas industries downhole equipment - Downhole equipment - Sucker rods, couplings and ancillary equipment (ISO/DIS 10428:2007); English version EN ISO 10428:2007
文件草案——石油和天然气工业井下设备——井下设备——抽油杆、联轴节和辅助设备(ISO/DIS 10428-2007);英文版EN ISO 10428:2007