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ISO 19741 2018 Optics and photonics Optical materials and components Test method for striae in infrared optical materials.pdf
ISO IEC 10731 1994 Information technology — Open Systems Interconnection — Basic Reference Model — Conventions for the definition of OSI services.pdf
ISO 4401 2005 Hydraulic fluid power Four-port directional control valves Mounting surfaces.pdf
ISO IEC 23126 2021 Information technology for learning, education and training — Ubiquitous learning resource organization and description framework.pdf
ISO IEC 39794-4 2019 Amd 1 2023 Information technology — Extensible biometric da.pdf
ISO 22635 2019 Adhesives — Test methods for adhesives for plastic or rubber floor coverings or wall coverings — Determination of dimensional changes after accelerated ageing.pdf
ISO 4548-14 2023 Methods of test for full-flow lubricating oil filters for internal combustion engines Part 14 Hydraulic pulse durability for composite filter housings.pdf
ISO IEC 21964-1 2018 Information technology — Destruction of data carriers — Part 1 Principles and definitions.pdf
ISO 17427-1 2018 Intelligent transport systems Cooperative ITS Part 1 Roles and responsibilities in the context of co-operative ITS architecture(s).pdf
GB-T 19352.4-2003 热喷涂 热喷涂结构的质量要求 第4部分 基本的质量要求.pdf
GB-T 4894-2009 信息与文献 术语.pdf
GB-T 19023-2003 质量管理体系文件指南.pdf
GB-T 6406-2016 超硬磨料 粒度检验.pdf
GB-T 21457-2008 起重机和相关设备 试验中参数的测量精度要求.pdf
GB-T 34875-2017 离心泵和转子泵用轴封系统.pdf
GB-T 12604.1-2020 无损检测 术语 超声检测.pdf
GB-T 24020-2000 环境管理 环境标志和声明 通用原则.pdf
GB-T 648-2011 化学试剂 硫氰酸钾.pdf
GB-T 1995-1998 石油产品粘度指数计算法.pdf