国家标准网
GB-T 26253-2010 塑料薄膜和薄片水蒸气透过率的测定 红外检测器法
ISO 16840-6 2015 Wheelchair seating — Part 6 Simulated use and determination of the changes in properties of seat cushions.pdfISO TR 12417-2 2022 Cardiovascular implants and extracorporeal systems — Vascular device-drug combination products — Part 2 Local regulatory information.pdfISO 17533 2015 Welding for aerospace applications — Welding information in design docum.pdfISO 3434 2012 Ships and marine technology — Heated glass panes for ships' rectangular windows.pdfISO 6721-5 2019 Plastics — Determination of dynamic mechanical properties — Part 5 Flexural vibration — Non-resonance method.pdfISO 11084-1 1993 Graphic technology — Register systems for photographic materials, foils and paper — Part 1 Three-pin systems.pdfISO 9635-5 2014 Agricultural irrigation equipment — Irrigation valves — Part 5 Control valves.pdfISO 22241-2 2019 Diesel engines — NOx reduction agent AUS 32 — Part 2 Test methods.pdfISO 23886 2021 Aerospace — Collar, threaded, self-locking — Test method for torque and.pdfISO 2591-1-1988Test sieving. Part 1_Methods using test sieves of woven wire cloth and perforated met.pdfGB-T 22628-2008 摩托车轮胎滚动周长试验方法.pdfGB-T 3729-2007 工业用乙酸正丁酯.pdfGB-T 39981-2021 建筑施工机械与设备 便携、手持、内燃机式切割机 安全要求.pdfGB-T 15278-1994 信息处理 数据加密 物理层互操作性要求.pdfGB-T 19670-2023 机械安全 防止意外启动.pdfGB-T 28513-2012 使用低比特率视频通信的手语和唇读实时会话应用配置.pdfGB-T 42279-2022 硫化橡胶或热塑性橡胶 在恒定伸长率下测定拉伸永久变形及在恒定拉伸载荷下测定拉伸永久变形、伸长率和蠕变.pdfGB-T 19942-2019 皮革和毛皮 化学试验 禁用偶氮染料的测定.pdfGB-T 6417.2-2005 金属压力焊接头缺欠分类及说明.pdfGB-T 13885-2017 饲料中钙、铜、铁、镁、锰、钾、钠和锌含量的测定 原子吸收光谱法.pdf
