GB-T 13526-2007 硬聚氯乙烯(PVC-U) 管材 二氯甲烷浸渍试验方法
ISO 6993-2 2006 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 2 Fittings for a maximum operating pressure of 200 mbar (20 kPa).pdf
ISO 5968-1981Circular screwing dies. Terminology first edition.pdf
ISO 7539-12 2023 Corrosion of metals and alloys — Stress corrosion testing — Part 12 Requi.pdf
ISO 20661 2020 Ships and marine technology — Cutter suction dredger supervisory and control systems.pdf
ISO 976 2013 Rubber and plastics — Polymer dispersions and rubber latices — Determination of pH.pdf
ISO IEC 14443-2 2020 Cor 2 2023 Cards and security devices for personal identificatio.pdf
ISO 24367 2023 Non-destructive testing — Acoustic emission testing — Me.pdf
ISO 2940-2-1974Milling cutters mounted on centring arbors having a 7_24 taper. Inserted tooth cutter.pdf
ISO 3545-2 1989 Steel tubes and fittings — Symbols for use in specifications — Part 2 Square and rectangular hollow sections.pdf
ISO 3796 2023 Ships and marine technology — Clear openings for external single-leaf doors.pdf
GB-T 31591-2015 色漆和清漆 耐擦伤性的测定.pdf
GB-T 44663-2024 绝缘液体 电气用未使用过的改性或混合酯.pdf
GB-T 7591-1987 程序设计语言 Pascal.pdf
GB-T 14286-2021 带电作业工具设备术语.pdf
GB-T 43398-2023 乘用车行李移动对乘员伤害的安全要求.pdf
GB-T 22180-2014 冻裹面包屑鱼.pdf
GB-T 41028-2021 航空航天流体系统液压软管、管道和接头组件的脉冲试验要求.pdf
GB-T 30997-2014 编程语言 C 支持嵌入式处理器的扩展.pdf
GB-T 22156-2008 声学 机器与设备噪声发射数据的比较方法.pdf
GB-T 17006.2-2000 医用成像部门的评价及例行试验 第2-1部分 洗片机稳定性试验.pdf