专利 一种薄膜收卷机及方法
ISO 3545-1 1989 Steel tubes and fittings — Symbols for use in specifications — Part 1 Tubes and tubular accessories with circular cross-section.pdf
ISO 16773-4 2017 Electrochemical impedance spectroscopy (EIS) on coated and uncoated metallic specimens — Part 4 Examples of spectra of polymer-coated and uncoated specimens.pdf
ISO TR 12654 1997 Electronic imaging — Recommendations for the management of electronic recording systems for the recording of documents that may be required as.pdf
ISO 1514 2024 Paints and varnishes Standard panels for testing.pdf
ISO 19610 2017 Traditional Chinese medicine — General requirements for industrial manufacturing process of red ginseng (Panax ginseng C.A. Meyer).pdf
ISO 22480-1 2022 Railway applications Concrete sleepers and bearers for track Part 1 General requirements.pdf
ISO 263-1973Iso inch screw threads. General plan and selection for screws,bolts and nuts. Diameter r.pdf
ISO 13006 2018 Ceramic tiles — Definitions, classification, characteristics and marking.pdf
ISO 20940 2021 Leather — Crust full chrome upper leather — Specifications and test meth.pdf
ISO 13092 2012 Titanium and titanium alloys Titanium sponge.pdf
GB-T 2484-2018 固结磨具 一般要求.pdf
GB-T 8312-2013 茶 咖啡碱测定.pdf
GB-T 3451-1982 标准调音频率.pdf
GB-T 9725-2007 化学试剂 电位滴定法通则.pdf
GB-T 17026-1997 电子设备用电位器 第4部分 空白详细规范 单圈旋转功率电位器 评定水平E.pdf
GB 21966-2008 锂原电池和蓄电池在运输中的安全要求.pdf
GB-T 15357-2014 表面活性剂和洗涤剂 旋转粘度计测定液体产品的粘度和流动性质.pdf
GB-T 14274-2003 高聚物多孔弹性材料 加速老化试验.pdf
GB-T 17101-2019 桥梁缆索用热镀锌或锌铝合金钢丝.pdf
GB-T 17389-2013 潜油电泵电缆系统的应用.pdf