说明:收录25万 73个行业的国家标准 支持批量下载
GB-T 17478-2004 低压直流电源设备的性能特性
ISO 64541984 Shipbuilding — Strum boxes.pdfISO 17665 2024 Sterilization of health care products — Moist heat — Requirements f.pdfISO IEC TR 15944-6 2015 Information technology — Business operational view — Part.pdfISO 4630 2015 Clear liquids — Estimation of colour by the Gardner colour scale.pdfISO 17190-11 2001 Urine-absorbing aids for incontinence Test methods for characterizing polymer-based absorbent materials Part 11 Determination of content of respirable particles.pdfISO-IEC 30144 2020 Internet of things (IoT) - Wireless sensor network system supporting electrical power substation.pdfISO 9459-2 1995 Solar heating — Domestic water heating systems — Part 2 Outdoor test methods for system performance characterization and yearly performance prediction of solar-only systems.pdfISO 3774-1988Cinematography. 35 mm motion-picture film perforated 8 mm type s (1-3-5-7-0) and (1-0)..pdfISO 279 1998 Essential oils — Determination of relative density at 20 °C — Reference met.pdfISO 5084 1996 Textiles — Determination of thickness of textiles and textile products.pdfGB-T 2917.1-2002 以氯乙烯均聚和共聚物为主的共混物及制品在高温时放出氯化氢和任何其他酸性产物的测定 刚果红法.pdfGB-T 2005-1994 冶金焦炭的焦末含量及筛分组成的测定方法.pdfGB-T 27667-2011 光学系统像质评价 畸变的测定.pdfGB-T 32996-2016 表面化学分析 辉光放电发射光谱法分析金属氧化物膜.pdfGB-T 17458-1998 球墨铸铁管 水泥砂浆离心法衬层 新拌砂浆的成分检验.pdfGB-T 16895.1-2008 低压电气装置 第1部分 基本原则、一般特性评估和定义.pdfGB-T 5680-2023 奥氏体锰钢铸件.pdfGB-T 14850-2020 气体分析 词汇.pdfGB-T 20490-2023 钢管无损检测 无缝和焊接钢管分层缺欠的自动超声检测.pdfGB-T 18608-2012 原油和渣油中镍、钒、铁、钠含量的测定 火焰原子吸收光谱法.pdf
