专利 一种用于有限空间作业的无线便携式气体检测装置
ISO 22553-12 2020 Paints and varnishes — Electro-deposition coatings — Part 12 Sedimentatio.pdf
ISO 4783-1-1989Industrial wire screens and woven wire cloth. Guide to the choice of aperture size an.pdf
ISO 11269-1 2012 Soil quality Determination of the effects of pollutants on soil flora Part 1 Method for the measurement of inhibition of root growth.pdf
ISO 20214 2015 Space data and information transfer systems — Security architecture for space data systems.pdf
ISO-IEC 23002-2 2008 Information technology - MPEG video technologies - Part 2 Fixed-point 8 8 inverse discrete cosine transform and discrete cosine transform.pdf
ISO-IEC 15504-4 2004 Information technology -- Process assessment -- Part 4 Guidance on use for process improvement and process capability determination.pdf
ISO IEC 15909-1 2019 Systems and software engineering — High-level Petri nets — Part 1 Concepts, definitions and graphical notation.pdf
ISO 21028-2 2018 Cryogenic vessels Toughness requirements for materials at cryogenic temperature Part 2 Temperatures between -80 degrees C and -20 degrees C.pdf
ISO 7375-1-1986Road vehicles. Coiled pipe assemblies for pneumatic braking connection between motor.pdf
ISO TS 12869 2019 Water quality — Detection and quantification of Legionella spp. and or Legionella pneumophila by concentration and genic amplification by quantit.pdf
GB-T 686-2008 化学试剂 丙酮.pdf
GB-T 747-2003 纸浆 酸不溶木素的测定.pdf
GB-T 755-2019 旋转电机 定额和性能.pdf
GB-T 43150-2023 电子数显指示表的设计和计量特性.pdf
GB-T 5708-2001 纺织品 针织物 术语.pdf
GB-T 983-2012 不锈钢焊条.pdf
GB-T 14085-1993 信息处理系统 计算机系统配置图符号及约定.pdf
GB-T 5094.3-2005 工业系统、装置与设备以及工业产品 结构原则与参照代号 第3部分 应用指南.pdf
GB-T 17434-2008 船用耐火窗技术条件.pdf
GB-T 37992-2019 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 自动截止阀的阀门检验系统.pdf