ISO 3845 2024 Oil and gas industries including lower carbon energy Full ring ovalization test method for the evaluation of the cracking resistance of steel line pipe in sour service
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ISO 20391-1 2018 Biotechnology Cell counting Part 1 General guidance on cell counting methods.pdf
ISO 7452 2013 Hot-rolled steel plates — Tolerances on dimensions and shape.pdf
ISO 1388-8-1981Ethanol for industrial use. Methods of test. Part 8_Determination of methanol content.pdf
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ISO IEC TS 19568 2017 Programming Languages — C++ Extensions for Library Fundamentals.pdf
ISO 11846 1995 Corrosion of metals and alloys — Determination of resistance to intergranular corrosion of solution heat-treatable aluminium alloys.pdf
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GB-T 19710-2005 地理信息 元数据.pdf
GB-T 2352-2003 液压传动 隔离式充气蓄能器压力和容积范围及特征量.pdf
GB-T 17880.2-1999 沉头铆螺母.pdf
GB-T 24328.4-2020 卫生纸及其制品 第4部分 湿抗张强度的测定.pdf
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