全网唯一标准王
GB-T 4340.4-2022 金属材料 维氏硬度试验 第4部分 硬度值表
ISO IEC 17629 2014 Information technology — Office equipment — Method for measuring first print out time for digital printing devices.pdfISO 10636 1994 Photography — Processing chemicals — Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrate.pdfISO 22843 2020 Rubber bands — General requirements and test methods.pdfISO 9459-4 2013 Solar heating — Domestic water heating systems — Part 4 System performance characterization by means of component tests and computer simulation.pdfISO 22764 2020 Jewellery and precious metals Fineness of solders used with precious metal jewellery alloys.pdfISO 12812-1 2017 Core banking — Mobile financial services — Part 1 General framework.pdfISO 7573 2008 Technical product documentation — Parts lists.pdfISO-IEC 16500-5 1999 Information technology -- Generic digital audio-visual systems -- Part 5 High and mid-layer protocols.pdfISO 9211-7 2021 Optics and photonics — Optical coatings — Part 7 Minimum requirements for neutral beam splitter coatings.pdfISO 8548-3 1993 Prosthetics and orthotics — Limb deficiencies — Part 3 Method of describing upper limb amputation stumps.pdfGB-T 6882-2016 声学 声压法测定噪声源声功率级和声能量级 消声室和半消声室精密法.pdfGB-T 10067.5-1993 电热设备基本技术条件 高频介质加热设备.pdfGB-T 2075-2007 切削加工用硬切削材料的分类和用途 大组和用途小组的分类代号.pdfGB-T 25048-2019 金属材料 管 环拉伸试验方法.pdfGB-T 43593-2023 铁氧体磁心 有气隙磁心的标准电感因数及其公差.pdfGB-T 36460-2018 信息技术 生物特征识别 多模态及其他多生物特征融合.pdfGB-T 15223-2008 塑料 液体树脂 用比重瓶法测定密度.pdfGB-T 2900.25-2008 电工术语 旋转电机.pdfGB-T 34138-2017 辐射防护仪器 环境、电磁和机械性能要求.pdfGB-T 3105-2002 普通螺栓和螺钉 头下圆角半径.pdf
