说明:收录25万 73个行业的国家标准 支持批量下载
GB-T 29854-2013 社区基础数据元
ISO 21873-2 2019 Building construction machinery and equipment — Mobile crushers — Part 2 Safety requirements and verification.pdfISO 1721-1974Rock drilling. Extension drill-steel equipment for percussive long-hole drilling. Rever.pdfISO 2631-5 2018 Mechanical vibration and shock — Evaluation of human exposure to whole-body vibration — Part 5 Method for evaluation of vibration containing multiple shocks.pdfISO 21395-1 2020 Optics and photonics Test method for refractive index of optical glasses Part 1 Minimum deviation method.pdfISO 6721-6 2019 Plastics — Determination of dynamic mechanical properties — Part 6 Shear vibration — Non-resonance method.pdfISO 17607-3 2023 Steel structures — Execution of structural steelwork — Part 3 Fabrication.pdfISO 4295 1988 Manganese ores and concentrates — Determination of aluminium content — Photometric and gravimetric methods.pdfISO 25760 2009 Gas cylinders — Operational procedures for the safe removal of valves from.pdfISO 23825 2020 Method for evaluating the nodularity of spheroidal carbides Steels for cold heading and cold extruding.pdfISO 15886-3 2021 Agricultural irrigation equipment Sprinklers Part 3 Characterization of distribution and test methods.pdfGB-T 25073-2010 缩微摄影技术 彩色缩微胶片 曝光技术及与之相适应的线条原件和连续色调原件的制备.pdfGB-T 6159.6-2003 缩微摄影技术 词汇 第6部分 设备.pdfGB-T 21482-2019 船舶与海上技术 充气橡胶靠球.pdfGB-T 4857.6-1992 包装 运输包装件 滚动试验方法.pdfGB-T 27759-2011 流体流量测量 不确定度评定程序.pdfGB-T 20016-2005 金属和其它无机覆盖层 不锈钢部件平整和钝化的电抛光法.pdfGB-T 17039-1997 利用试验数据确定产品质量与规格相符性的实用方法.pdfGB-T 17574.10-2003 半导体器件 集成电路 第2-10部分 数字集成电路 集成电路动态读-写存储器空白详细规范.pdfGB-T 40874-2021 原油和石油产品 散装货物输转 管线充满指南.pdfGB-T 17294.2-2008 缩微摄影技术 字母数字计算机输出缩微品 质量控制 第2部分 方法.pdf
