说明:收录25万 73个行业的国家标准 支持批量下载
GB-T 21221-2022 绝缘液体 以合成芳烃为基的未使用过的绝缘液体
ISO 4039-2 1998 Road vehicles — Pneumatic braking systems — Part 2 Pipes, male fittings and holes with conical sealing surface.pdfISO 22741-1 2022 Intelligent transport systems Roadside modules AP-DATEX data interface Part 1 Overview.pdfISO 14254 2018 Soil quality Determination of exchangeable acidity using barium chloride solution as extractant.pdfISO 8846 1990 Small craft — Electrical devices — Protection against ignition of surroun.pdfISO 8942 2010 Rubber compounding ingredients — Carbon black — Determination of individual pellet crushing strength.pdfISO 18526-2 2020 Eye and face protection Test methods Part 2 Physical optical properties.pdfISO 17266 2018 Cinematography — Multichannel analogue and digital photographic sound and control records on 35 mm motion-picture prints and negatives, and digital sound-control records on.pdfISO 4383 2012 Plain bearings — Multilayer materials for thin-walled plain bearings.pdfISO IEC TR 63306-2 2021 Smart manufacturing standards map (SM2) — Part 2 Catalogue.pdfISO 21782-2 2019 Electrically propelled road vehicles — Test specification for electric propulsion components — Part 2 Performance testing of the motor system.pdfGB-T 36560-2018 电子电气产品有害物质限制使用符合性证明技术文档规范.pdfGB-T 9741-2008 化学试剂 灼烧残渣测定通用方法.pdfGB-T 156-2017 标准电压.pdfGB-T 80-2007 内六角凹端紧定螺钉.pdfGB-T 7397-1995 非广播磁带录像机测量方法.pdfGB-T 4968-2008 火灾分类.pdfGB-T 3903.41-2019 鞋类 帮面和衬里试验方法 耐折性能.pdfGB-T 18327.1-2001 滑动轴承 基本符号.pdfGB-T 24379-2009 纺织机械与附件 自动穿经织机用停经片.pdfGB-T 19688.4-2005 信息与文献 书目数据元目录 第四部分 流通应用.pdf
