专利 一种便于清洁的甲基磺酸生产用反应罐
ISO 13750 2000 Textile floor coverings — Determination of resistance to staining by acid.pdf
ISO 24495-1 2023 Plain language — Part 1 Governing principles and guidelines.pdf
ISO IEC 16509 1999 Information technology — Year 2000 terminology.pdf
ISO 5610-12 2014 Tool holders with rectangular shank for indexable inserts — Part 12 Style S.pdf
ISO 16365-1 2014 Plastics — Thermoplastic polyurethanes for moulding and extrusion — Part 1 Designation system and basis for specifications.pdf
ISO 6591-2 1985 Packaging — Sacks — Description and method of measurement — Part 2.pdf
ISO 3466 2016 Machine taper pin reamers with parallel shanks.pdf
ISO 2131-1972Surface active agents. Simplified classification first edition.pdf
ISO 3213 2009 Polypropylene (PP) pipes — Effect of time and temperature on the expected.pdf
ISO TS 14521 2020 Gears — Calculation of load capacity of worm gears.pdf
GB-T 17626.10-2017 电磁兼容 试验和测量技术 阻尼振荡磁场抗扰度试验.pdf
GB-T 3648-2024 钨铁.pdf
GB-T 27580-2011 精油和芳香萃取物 残留苯含量的测定.pdf
GB-T 5776-2023 金属和合金的腐蚀 金属和合金在表层海水中暴露和评定的导则.pdf
GB-T 70.2-2015 内六角平圆头螺钉.pdf
GB-T 25826-2022 钢筋混凝土用环氧涂层钢筋.pdf
GB-T 18257-2021 回转窑用耐火砖热面标记.pdf
GB-T 40291-2021 核仪器仪表 辐射探测器用高纯度锗晶体 基本特性的测量方法.pdf
GB-T 36664-2018 船舶和海上技术 船舶系泊和拖带设备 导缆滚轮.pdf
GB-T 8300-2016 浓缩天然胶乳 碱度的测定.pdf