STAS 825-1981 Fittings for petroleum industry ELBOWS TEES AND CROSSES NP 140.. NP 1050《石油设备的配件 弯管、三通和四通 NP 140 NP 1050》.pdf

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

STAS 11609-1989 Petroleum equipment FORGED DRILL COLLARS《石油设备锻造钻头箍 》.pdf

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

STAS 10983-1984 Petroleum equipment CEMENTING AND FRACTURING UNITS Types and basic parameters《石油设备 溶结和压裂机组 类型和基本参数 》.pdf

STAS 11167-1992 Oil equipment hydraulic jars《石油设备液压罐 》.pdf

STAS 593-1990 Petroleum equipment Tubing spiders《石油设备 油管卡盘》.pdf

STAS 205-1973 Petroleum equipment DRILL PIPE RUBBER PROTECTORS Sizes《石油设备 钻杆橡胶保护器 大小》.pdf

STAS 11214-1980 Petroleum equipment TRIPLEX MUD PUMPS HIGH POWER WITH PISTONS Technical specifications《石油设备 三缸泥浆泵高功率，带活塞 技术规格 》.pdf

STAS 211-1990 Petroleum equipment Sucker rod elevators《石油设备 抽油杆升降机》.pdf

STAS 215-1983 Petroleum equipment MANUAL WEDGES FOR DRILLING PIPES《石油设备 钻探管道用的手工楔》.pdf

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