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ISO 15517 AMD 1-2012 Tobacco - Determination of nitrate content - Continuous-flow analysis method - Amendment 1《烟草 硝酸盐含量测定 连续流动分析法 修改件1》.pdf
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90
ISO 14532-2014 Natural gas - Vocabulary《天然气 词汇》.pdf
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26
ISO 14531-3-2010 Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels - Metric series - Specifications.pdf
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38
ISO 14531-2-2004 Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels - Metric series - Specifications.pdf
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34
ISO 14531-1-2002 Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels Metric series Specifications - P.pdf
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14
ISO 14520-9-2016 Gaseous fire-extinguishing systems - Physical properties and system design - Part 9 HFC 227ea extinguishant《气体灭火系统 物理特性和系统设计 第9部分 HFC 227ea灭火剂》.pdf
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30
ISO 13550-2002 Hydrometric determinations - Flow measurements in open channels using structures - Use of vertical underflow gates《流速测定 利用建筑结构进行明渠流量测量 垂直下溢闸》.pdf
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17
ISO 13545-2000 Lead sulfide concentrates - Determination of lead content - EDTA titration method after acid digestion《硫化铅精矿 铅含量的测定 酸解EDTA滴定法》.pdf
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20
ISO 13539-1998 Earth-moving machinery - Trenchers - Definitions and commercial specifications《土方机械 挖沟机 定义和商业规格》.pdf
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ISO 13536-1995 Soil quality - Determination of the potential cation exchange capacity and exchangeable cations using barium chloride solution buffered at pH = 8.pdf
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