说明:收录25万 73个行业的国家标准 支持批量下载
GB-T 43383-2023 船舶和海上技术 船用人孔盖
ISO 7297-1985Information processing. Magnetic disk for data storage devices. 96 000 flux transitions.pdfISO 8793 1986 Steel wire ropes — Ferrule-secured eye terminations.pdfISO 19840 2012 Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Measurement of, and acceptance criteria for, the thickness of dry films on rough surfaces.pdfISO 14344 2010 Welding consumables — Procurement of filler materials and fluxes.pdfISO 3715-1 2002 Ships and marine technology — Propulsion plants for ships — Part 1 Vocabulary for geometry of propellers.pdfISO 13612-1 2014 Heating and cooling systems in buildings — Method for calculation of the system performance and system design for heat pump systems — Part 1 Design and dimensioning.pdfISO 12686 1999 Metallic and other inorganic coatings — Automated controlled shot-peening of metallic articles prior to nickel, autocatalytic nickel or chromium plating, or as a final finish.pdfISO 9100-10 2005 Glass containers Vacuum lug finishes Part 10 77 regular.pdfEN ISO 374-4-2019.pdfISO 4611 2010 Plastics — Determination of the effects of exposure to damp heat, water spray and salt mist.pdfGB-T 44529-2024 微机电系统（MEMS）技术 射频MEMS环行器和隔离器.pdfGB-T 14562-1999 V带疲劳试验方法 有扭矩法.pdfGB 12981-2012 机动车辆制动液.pdfGB-T 15369-2004 农林拖拉机和机械 安全技术要求 第3部分 拖拉机.pdfGB-T 41151-2021 城市和社区可持续发展 城市描述性框架.pdfGB-T 14316-2008 间距1.27mm绝缘刺破型端接式聚氯乙烯绝缘带状电缆.pdfGB-T 16924-2008 钢件的淬火与回火.pdfGB-T 30445-2013 在职人员评估服务 服务提供者要求.pdfGB-T 34662-2017 电气设备 可接触热表面的温度指南.pdfGB-T 19918-2005 小艇 图形符号.pdf
