DB3201-T 1025—2020 规模蛋鸡场消毒技术规范 南京市
ISO 4902 1989 Information technology — Data communication — 37-pole DTE DCE interface connector and contact number assignments.pdf
ISO 15587-2 2002 Water quality — Digestion for the determination of selected elements in water — Part 2 Nitric acid digestion.pdf
ISO 12614-19 2021 Road vehicles — Liquefied natural gas (LNG) fuel system components — Part 19 Automatic valve.pdf
ISO 14554-1 2013 Quality requirements for welding — Resistance welding of metallic materials — Part 1 Comprehensive quality requirements.pdf
ISO 12256 2002 Aerospace — Drives, internal, cruciform, ribbed — Metric series.pdf
ISO 8130-1 2019 Coating powders — Part 1 Determination of particle size distribution by siev.pdf
ISO IEC 14700 1997 Information technology — Open Systems Interconnection — Network Fast Byte Protocol.pdf
ISO_TR 11761-1992Light-gauge metal containers. Round open-top cans. Classification of can sizes by c.pdf
ISO IEC 21000-22 2022 Information technology — Multimedia framework (MPEG-21) — Part 22 User description.pdf
ISO 6862 1996 Information and documentation — Mathematical coded character set for bibliographic information interchange.pdf
GB-T 7702.13-1997 煤质颗粒活性炭试验方法 四氯化碳吸附率的测定.pdf
GB-T 8813-2020 硬质泡沫塑料 压缩性能的测定.pdf
GB-T 41747-2022 结构级和高强度连续热镀锌双辊铸轧薄钢板及钢带.pdf
GB-T 20242-2006 声学 助听器真耳声特性的测量方法.pdf
GB-T 28768-2012 车用汽油烃类组成和含氧化合物的测定 多维气相色谱法.pdf
GB-T 22713-2008 不平衡电压对三相笼型感应电动机性能的影响.pdf
GB-T 21751-2008 化学品 哺乳动物精原细胞染色体畸变试验方法.pdf
GB-T 12856-1991 程序设计语言 BASIC 子集.pdf
GB-T 6930-2024 滚动轴承 词汇.pdf
GB-T 20668-2006 统一螺纹 基本尺寸.pdf