说明:收录90万 73个行业的国家标准 支持批量下载
GB-T 22555-2010 散料验收抽样检验程序和抽样方案
ISO 14644-14 2016 Cleanrooms and associated controlled environments — Part 14 Assessment of suitability for use of equipment by airborne particle concentration.pdfISO 4869-1 2018 Acoustics Hearing protectors Part 1 Subjective method for the measurement of sound attenuation.pdfISO 21951 2001 Coated abrasives — Plain discs with holes for dust extraction.pdfISO 6045 1987 Shipbuilding and marine structures — Bearings for derrick gooseneck.pdfISO 26865 2009 Road vehicles — Brake lining friction materials — Standard performance test procedure for commercial vehicles with air brakes.pdfISO 20323 2018 Fine ceramics (advanced ceramics advanced technical ceramics) Mechanical properties of ceramic composites at ambient temperature in air atmospheric pressure Determination of tensile p.pdfISO 32111 2023 Transaction assurance in E-commerce — Principles and framework.pdfISO 1143 2021 Metallic materials — Rotating bar bending fatigue testing.pdfISO 6859-1-1982Aircraft. Proximity switches. Part 1_General requirements first edition.pdfISO 7544 2024 Rolling bearings Test and assessment methods for cleanliness.pdfGB-T 24644-2022 农林拖拉机和机械 落物防护装置 试验规程和性能要求.pdfGB-T 1251.2-2006 人类工效学 险情视觉信号 一般要求、设计和检验.pdfGB-T 19867.2-2008 气焊焊接工艺规程.pdfGB-T 11135-2013 石油馏分及工业脂肪族烯烃溴值的测定 电位滴定法.pdfGB-T 2934-2007 联运通用平托盘 主要尺寸及公差.pdfGB-T 14798-2008 土工合成材料 现场鉴别标识.pdfGB-T 8941-2013 纸和纸板 镜面光泽度的测定.pdfGB-T 223.90-2021 钢铁及合金 硅含量的测定 电感耦合等离子体原子发射光谱法.pdfGB-T 20144-2016 带灯罩环的灯座用筒形螺纹.pdfGB-T 41204-2021 纳米技术 纳米物体表征用测量技术矩阵.pdf
