专利 基于区块链的工业产品溯源信息存储方法、溯源方法及装置
ISO 6766 1984 Shipbuilding — Shipborne barges, series 4 — Main dimensions.pdf
ISO 28723 2008 Vitreous and porcelain enamels Determination of the edge covering on enamelled steel plate to be used in heat exchangers.pdf
ISO 21191 2021 Equipment for crop protection — Closed transfer systems (CTS) — Performance specification.pdf
ISO 17218 2014 Sterile acupuncture needles for single use.pdf
ISO 45002 2023 Occupational health and safety management systems — General guidelines for the implementation of ISO 45001 2018.pdf
ISO 24047 2021 Plastics Polyethylene (PE) and polypropylene (PP) thermoplastics Determination of metal content by ICP-OES.pdf
ISO 21535 2023 Non-active surgical implants — Joint replacement implants — Specific re.pdf
ISO 23461 2010 Space systems — Programme management — Non-conformance control.pdf
ISO 13578 2017 Industrial furnaces and associated processing equipment Safety requirements for machinery and equipment for production of steel by electric arc furnaces.pdf
ISO 8668-1-1986Aircraft. Terminal junction systems. Part 1_Characteristics first edition.pdf
GB-T 1251.1-2008 人类工效学 公共场所和工作区域的险情信号 险情听觉信号.pdf
GB-T 7364-2006 石蜡易炭化物试验法.pdf
GB-T 2900.52-2008 电工术语 发电、输电及配电 发电.pdf
GB-T 6495.1-1996 光伏器件 第1部分 光伏电流-电压特性的测量.pdf
GB-T 22904-2023 纸、纸板和纸浆 总氯和有机氯的测定.pdf
GB-T 14486-2008 塑料模塑件尺寸公差.pdf
GB-T 17272.1-1998 集装箱在船舶上的信息 箱位坐标代码.pdf
GB-T 44842-2024 微机电系统(MEMS)技术 薄膜材料的弯曲试验方法.pdf
GB-T 15274-1994 信息处理系统 开放系统互连 网络层的内部组织结构.pdf
GB-T 16773-2008 煤岩分析样品制备方法.pdf