GB-T 37611-2019 综采综放工作面超前支护系统技术条件
ISO 26203-1 2018 Metallic materials — Tensile testing at high strain rates — Part 1 Elastic-bar-type systems.pdf
ISO 13344 2015 Estimation of the lethal toxic potency of fire effluents.pdf
ISO 26683-2 2013 Intelligent transport systems — Freight land conveyance content identification and communication — Part 2 Application interface profiles.pdf
ISO 3545-2 1989 Steel tubes and fittings — Symbols for use in specifications — Part 2 Square and rectangular hollow sections.pdf
ISO TR 21954 2018 Guidance on the selection of the appropriate means of ventilation based on the intended patient, use environment, and operator.pdf
ISO TR 7240-9 2022 Fire detection and alarm systems — Part 9 Test fires for fire detectors.pdf
ISO 10427-1 2024 Oil and gas industries including lower carbon energy Equipment for well cementing Part 1 Casing bow-spring centralizers.pdf
ISO 43 2016 Aircraft — Jacking pads.pdf
ISO 683-6 2023 Heat-treatable steels, alloy steels and free-cutting steels — Part 6.pdf
ISO IEC 10026-1 1998 Information technology — Open Systems Interconnection — Distribu.pdf
GB-T 12856-1991 程序设计语言 BASIC 子集.pdf
GB-T 14041.2-2007 液压滤芯 材料与液体相容性检验方法.pdf
GB-T 1174-1992 铸造轴承合金.pdf
GB-T 42020-2022 实验室电源特性的测量规范.pdf
GB-T 23698-2023 三维扫描人体测量方法的一般要求.pdf
GB-T 4728.2-2018 电气简图用图形符号 第2部分 符号要素、限定符号和其他常用符号.pdf
GB-T 17846-2009 小艇 直流电动舱底泵.pdf
GB-T 17386-2009 潜油电泵装置的规格选用.pdf
GB-T 21772-2008 化学品 哺乳动物骨髓染色体畸变试验方法.pdf
GB-T 34151-2017 冲模 导板 U形和V形块.pdf