T-QAS 109-2024 光伏电站功率减小的太阳电池组串现场检测方法
ISO 20138-2 2019 Railway applications Calculation of braking performance (stopping slowing and stationary braking) Part 2 General algorithms utilizing step by step calculation.pdf
ISO 9220 2022 Metallic coatings Measurement of coating thickness Scanning electron microscope method.pdf
ISO 3223 1998 Aerospace Nuts anchor self-locking fixed two lug with counterbore with MJ threads classifications 1 100 MPa (at ambient temperature )-235 degrees C 1 100 MPa (at ambient temperature )-3.pdf
ISO IEC 30140-2 2017 Information technology — Underwater acoustic sensor network (UWASN) — Part 2 Reference architecture.pdf
ISO 17491-3 2008 Protective clothing — Test methods for clothing providing protection against chemicals — Part 3 Determination of resistance to penetration by a jet of liquid (jet test).pdf
ISO TS 20281 2006 Water quality — Guidance on statistical interpretation of ecotoxicity data.pdf
ISO 11926-3 1995 Connections for general use and fluid power — Ports and stud ends with ISO 725 threads and O-ring sealing — Part 3 Light-duty (L series) stud ends.pdf
ISO 10103 2018 Assembly tools for screws and nuts Doubled-headed box wrenches flat and offset Outside dimensions and test torques.pdf
ISO 19299 2020 Electronic fee collection — Security framework.pdf
ISO 14278 2002 Aerospace — Gauges, for internal offset cruciform ribbed or unribbed drives — Metric series.pdf
GB-T 13650-2009 杀螟硫磷乳油.pdf
GB-T 40291-2021 核仪器仪表 辐射探测器用高纯度锗晶体 基本特性的测量方法.pdf
GB-T 16273.5-2002 设备用图形符号 第5部分 塑料机械通用符号.pdf
GB-T 42165-2022 皮革 色牢度试验 耐汗渍色牢度.pdf
GB-T 30386-2013 盐水胡椒.pdf
GB-T 28774-2021 同步带传动 T型梯形齿同步带.pdf
GB-T 3850-2015 致密烧结金属材料与硬质合金 密度测定方法.pdf
GB 18956-2003 木工机床安全 平压两用刨床.pdf
GB-T 14536.11-2008 家用和类似用途电自动控制器 电动机用起动继电器的特殊要求.pdf
GB-T 6609.16-2004 氧化铝化学分析方法和物理性能测定方法 姜黄素分光光度法测定三氧化二硼含量.pdf