China The pressure testing GB Standards Search Result

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	GB/T 16805-2017 The pressure testing of steel pipelines for the transportation of petroleum, gas and highly volatile liquids 输送石油天然气及高挥发性液体钢质管道压力试验 - 英文版
	GB/T 17454.2-2008 Safety of machinery - Pressure-sensitive protective devices - Part 2: General principles for the design and testing of pressure-sensitive edges and pressure-sensitive bars 机械安全压敏保护装置第2部分∶ 压敏边和压敏棒的设计和试验通则 - 英文版
	GB/T 20490-2006 Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes - Ultrasonic testing for the detection of laminar imperfections 承压无缝和焊接（埋弧焊除外）钢管分层的超声检测 - 英文版

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