GB-T 42253-2022 海岛植被覆盖和开发利用情况监测技术规程
ISO 3210 2017 Anodizing of aluminium and its alloys Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in acid solution(s).pdf
ISO IEC 9798-2 2019 IT Security techniques — Entity authentication — Part 2 Mechanisms using authenticated encryption.pdf
ISO 1522 2022 Paints and varnishes — Pendulum damping test.pdf
ISO 6639-2 1986 Cereals and pulses — Determination of hidden insect infestation — Part.pdf
ISO 6410-3 2021 Technical drawings — Screw threads and threaded parts — Part 3 Simplified representation.pdf
ISO TS 4424 2023 Genomics informatics — Data elements and their metadata for de.pdf
ISO IEC 23092-6 2023 Information technology — Genomic information representation.pdf
ISO 13543 2016 Copper, lead, zinc and nickel sulfide concentrates — Determination of mass of contained metal in a lot.pdf
ISO 23977-1 2020 Plastics — Determination of the aerobic biodegradation of plastic materials exposed to seawater — Part 1 Method by analysis of evolved carbon dioxide.pdf
ISO 20671-2 2023 Brand evaluation — Part 2 Implementation and reporting.pdf
GB-T 1401-1998 化学试剂 乙二胺四乙酸二钠.pdf
GB-T 34180-2017 建筑用绝热制品 外墙外保温系统抗冲击性测定.pdf
GB-T 15307-2008 可转位钻头用削平直柄.pdf
GB-T 20015-2005 金属和其它无机覆盖层 电镀镍、自催化镀镍、电镀铬及最后精饰 自动控制喷丸硬化前处理.pdf
GB-T 3683-2023 橡胶软管及软管组合件 油基或水基流体适用的钢丝编织增强液压型 规范.pdf
GB-T 30587-2014 钢丝绳吊索 环索.pdf
GB-T 29331-2012 摄影 相纸尺寸 印片机用卷筒相纸.pdf
GB-T 42055-2022 船舶与海上技术 船载机械设备数据格式.pdf
GB-T 17607-1998 中国煤层煤分类.pdf
GB-T 26051-2010 硬质合金 钴粉中硫和碳量的测定 红外检测法.pdf