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石油钻机和修井机用水龙头
Swivel for petroleum drilling and workover rigs
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地震检波器测试仪通用技术条件
General technical specification for geophone tester
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钻井和修井动力钳、吊钳
Power tongs and tongs for drilling and well servicing
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输油气管道电气设备管理规范
Technical management regulation of electrical equipment for oil and gas pipelines
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环境影响评价技术导则 陆地石油天然气开发建设项目
Technical guideline for environmental impact assessment Constructional project of petroleum and natural gas development on land
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石油钻采机械产品型号编制方法
Oil field drilling and production equipment-mtehod of type designation
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石油钻机和修井机用水龙头
Swivel for petroleum drilling and workover rigs
价格：￥0.00
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