GB-T 35149-2017 活塞平衡式水泵控制阀
ISO 13680 2020 Petroleum and natural gas industries — Corrosion-resistant alloy seamless tubular products for use as casing, tubing, coupling stock and accessory material — Technical delivery conditions.pdf
ISO 19103 2015 Geographic information — Conceptual schema language.pdf
ISO 7752-4 1989 Cranes — Controls — Layout and characteristics — Part 4 Jib cranes.pdf
ISO 4623-1 2018 Paints and varnishes — Determination of resistance to filiform corrosion — Part 1 Steel substrates.pdf
ISO 7187 1995 Photography — Materials for direct-positive colour-print cameras — Determination of ISO speed.pdf
ISO 6590-1 1983 Packaging — Sacks — Vocabulary and types — Part 1 Paper sacks.pdf
ISO 19343 2017 Microbiology of the food chain — Detection and quantification of histamine in fish and fishery products — HPLC method.pdf
ISO 4996 2014 Hot-rolled steel sheet of high yield stress structural quality.pdf
ISO 3661 1977 End-suction centrifugal pumps — Baseplate and installation dimensions.pdf
ISO 15519-2 2015 Specifications for diagrams for process industry — Part 2.pdf
GB-T 25392-2024 农业工程 电气和电子设备 耐环境试验.pdf
GB-T 24747-2009 有机热载体安全技术条件.pdf
GB-T 1771-2007 色漆和清漆 耐中性盐雾性能的测定.pdf
GB-T 44536-2024 CVD陶瓷涂层热膨胀系数和残余应力试验方法.pdf
GB-T 11213.2-2007 化纤用氢氧化钠 氯化钠含量的测定 分光光度法.pdf
GB-T 23653-2009 塑料 通用型聚氯乙烯树脂 热增塑剂吸收量的测定.pdf
GB-T 20141-2018 型线同心绞架空导线.pdf
GB-T 17701-2008 设备用断路器.pdf
GB-T 26042-2010 锌及锌合金分析方法 光电发射光谱法.pdf
GB-T 15052-2010 起重机 安全标志和危险图形符号 总则.pdf