DB37-T 4172—2020 夏玉米全程机械化稳产高效生产技术规程 山东省
ISO 12164-2 2023 Hollow taper interface with flange contact surface Part 2 Receivers of types A C and E for hollow taper shanks of types A AB C CB and EB.pdf
ISO 8424 2023 Raw optical glass — Resistance to attack by aqueous acidic solutions — Test.pdf
ISO 2174 1990 Surface active agents — Preparation of water with known calcium hardness.pdf
IEC 61935-2-20 2008 Testing of balanced communication cabling in accordance with ISO-IEC 11801 - Part 2-20 Patch cords and work area cords - Blank detail specification for class D applications.pdf
ISO 17211 2015 Stationary source emissions — Sampling and determination of selenium compounds in flue gas.pdf
ISO 21805 2023 Guidance and recommendations on design selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems.pdf
ISO 20042 2019 Measurement of radioactivity — Gamma-ray emitting radionuclides — Generic test method using gamma-ray spectrometry.pdf
ISO 8784-3 2022 Pulp, paper and board — Microbiological examination — Part 3 Enumeration of yeast and mould based on disintegration.pdf
ISO 1641-3 2011 End mills and slot drills Part 3 Dimensions and designation of milling cutters with 7-24 taper shanks.pdf
ISO 8361-1 1991 Thermoplastics pipes and fittings Water absorption Part 1 General test method.pdf
GB-T 40077-2021 往复式容积泵和泵装置 技术要求.pdf
GB-T 18947-2003 矿用钢丝增强液压软管及软管组合件.pdf
GB-T 15970.7-2017 金属和合金的腐蚀 应力腐蚀试验 第7部分 慢应变速率试验.pdf
GB-T 32997-2016 表面化学分析 辉光放电发射光谱定量成分深度剖析的通用规程.pdf
GB-T 12204-2010 金属切削 基本术语.pdf
GB-T 11986-1989 表面活性剂 粉体和颗粒休止角的测量.pdf
GB-T 31564-2015 热喷涂 热喷涂沉积效率的测定.pdf
GB 22609-2008 丁硫克百威原药.pdf
GB-T 35734-2017 便携式管激发X射线荧光分析仪 分类、安全要求及其试验.pdf
GB-T 20777-2006 色漆和清漆 试样的检查和制备.pdf