GB-T 20651.1-2018 往复式内燃机 安全 第1部分:压燃式发动机
ISO 4666-3 2022 Rubber, vulcanized — Determination of temperature rise and resistance to fatigue in flexometer testing — Part 3 Compression flexometer (constant-strain type).pdf
ISO 28763 2019 Vitreous and porcelain enamels — Regenerative, enamelled and packed panels for air-gas and gas-gas heat exchangers — Specifications.pdf
ISO 7562 1990 Potatoes — Guidelines for storage in artificially ventilated stores.pdf
ISO 9227 2022 Corrosion tests in artificial.pdf
ISO 7755-10 2013 Hardmetal burrs — Part 10 Conical round- (ball-) nose burrs (style L).pdf
ISO 6058-1984Water quality. Determination of calcium content. Edta titrimetric method first edition.pdf
ISO 21014 2019 Cryogenic vessels — Cryogenic insulation performance.pdf
ISO 4748 1984 Copper alloys — Determination of iron content — Na2EDTA titrimetric met.pdf
ISO 11699-1 2008 Non-destructive testing — Industrial radiographic film — Part 1 Classification of film systems for industrial radiography.pdf
ISO 12640-1 1997 Graphic technology — Prepress digital data exchange — Part 1 CMYK standard colour image data (CMYK SCID).pdf
GB-T 21366-2008 信息技术 学习、教育和培训 参与者标识符.pdf
GB-T 3372-2010 拖拉机和农业、林业机械用轮辋系列.pdf
GB-T 22461-2008 表面化学分析 词汇.pdf
GB-T 42797-2023 二氧化碳捕集、输送和地质封存 管道输送系统.pdf
GB-T 6236-2008 农林拖拉机和机械 驾驶座标志点.pdf
GB-T 24671-2023 农业灌溉设备 承压灌溉系统图形符号.pdf
GB-T 9239.23-2022 机械振动 转子平衡 第23部分 平衡机测量工位的防护罩和其他保护措施.pdf
GB-T 1181-1998 过盈配合螺纹.pdf
GB-T 4756-2015 石油液体手工取样法.pdf
GB-T 6519-2013 变形铝、镁合金产品超声波检验方法.pdf