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ISO 12135 2021 Metallic materials — Unified method of test for the determination of quasistatic fracture toughness.pdf
ISO 4095 1998 Aerospace — Bihexagonal drives — Wrenching configuration — Metric series.pdf
ISO 14120 2015 Safety of machinery — Guards — General requirements for the design and construction of fixed and movable guards.pdf
ISO 11114-1 2020 Gas cylinders — Compatibility of cylinder and valve materials with gas contents — Part 1 Metallic materials.pdf
ISO TR 17252 2019 Fire tests — Applicability of reaction to fire tests to fire modelling and fire safety engineering.pdf
ISO 21857 2021 Petroleum, petrochemical and natural gas industries — Prevention of corrosion on pipeline systems influenced by stray currents.pdf
ISO 18237 2017 Hydraulic fluid power — Method for evaluating water separation performance of dehydrators.pdf
ISO 26146 2012 Corrosion of metals and alloys — Method for metallographic examination of samples after exposure to high-temperature corrosive environments.pdf
ISO IEC IEEE 15288-2015(E) Systems and software engineering–System life cycle processes[First Edition]_2015-05-15.pdf
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GB-T 777-2008 工业自动化仪表用模拟气动信号.pdf
GB-T 17626.1-2006 电磁兼容 试验和测量技术 抗扰度试验总论.pdf
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GB-T 28136-2011 农药水不溶物测定方法.pdf
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