SR 1820-1997 Petroleum equipment Sucker rod overshots《石油设备 抽油杆打捞工具》.pdf

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SY T 5572-1993 钻井用打捞工具分类与通用技术条件.pdf

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AIR FORCE A-A-58046 VALID NOTICE 1-2012 Saw Hand Finger Grip Survival《手锯 幸存者打捞工具》.pdf

JUS K R1 210-1993 Core drilling equipment - Fishing tools - Casing tube recovery taps《空心钻具 打捞工具 井壁管打捞公锥》.pdf

STAS 11074-1978 Petroleum equipment MUD PUMP 3 PN-20《石油设备 》.pdf

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STAS 10430-1975 Petroleum equipment WORKOVER AND COMPLETIOIS RIGS Technical quality requirements《石油设备油井维修及完井钻机质量技术要求 》.pdf

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