海底管道阀门|沙特标准|SASO-GSO ISO 14723
Petroleum And Natural Gas Industries-Pipeline Transportation Systems Subsea Pipe line Valves
石油和天然气工业-管道运输系统海底管道阀门
Technical Regulation for Pressure Equipment
海底管道阀门|沙特标准|SASO-GSO ISO 14723
Petroleum And Natural Gas Industries-Pipeline Transportation Systems Subsea Pipe line Valves
石油和天然气工业-管道运输系统海底管道阀门
Technical Regulation for Pressure Equipment
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