GB-T 801-2021 小半圆头低方颈螺栓 B级
ISO 8578 2012 Microscopes — Marking of objectives and eyepieces.pdf
ISO 10424-2 2007 Petroleum and natural gas industries — Rotary drilling equipment — Part 2 Threading and gauging of rotary shouldered thread connections.pdf
ISO-TS 21219-24 2017 Intelligent transport systems Traffic and travel information (TTI) via transport protocol experts group generation 2 (TPEG2) Part 24 Light encryption (TPEG2-LTE).pdf
ISO 8361-3-1991Thermoplastics pipes and fittings. Water absorption. Part 3_Test conditions for acryl.pdf
ISO 3271 2015 Iron ores for blast furnace and direct reduction feedstocks — Determination of the tumble and abrasion indices.pdf
ISO IEC 15851 1999 Information technology — Communication protocol — Open MUMPS Interconnect.pdf
ISO IEC 8886 1996 Information technology — Open Systems Interconnection — Data link service definition.pdf
ISO 20391-1 2018 Biotechnology Cell counting Part 1 General guidance on cell counting methods.pdf
ISO 17657-2 2005 Resistance welding Welding current measurement for resistance welding Part 2 Welding current meter with current sensing coil.pdf
ISO 19302 2018 Graphic technology — Colour conformity of printing workflow.pdf
GB-T 8753.3-2005 铝及铝合金阳极氧化 氧化膜封孔质量的评定方法 第3部分 导纳法.pdf
GB-T 22893-2008 纸和纸板 基本尺寸办公用纸 成包纸页卷曲的测定.pdf
GB-T 7016-1986 固定电阻器电流噪声测量方法.pdf
GB-T 17490-1998 液压控制阀 油口、底板、控制装置和电磁铁的标识.pdf
GB-T 20378-2006 原淀粉 淀粉含量的测定 旋光法.pdf
GB-T 18039.9-2013 电磁兼容 环境 公用中压供电系统低频传导骚扰及信号传输的兼容水平.pdf
GB-T 42799-2023 船舶与海洋技术 航行及浅水工程船 起锚绞车.pdf
GB-T 12778-2008 金属夏比冲击断口测定方法.pdf
GB-T 40318-2021 塑料 环境因素 标准中环境因素的通则.pdf
GB-T 27853-2011 化学品 水-沉积物系统中好氧厌氧转化试验.pdf