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ISO 13678 2010 Petroleum and natural gas industries — Evaluation and testing of thread compounds for use with casing, tubing, line pipe and drill stem elements.pdfISO 8999 2001 Reciprocating internal combustion engines — Graphical symbols.pdfISO 19027 2016 Design principles for communication support board using pictorial symbols.pdfISO 14315 1997 Industrial wire screens — Technical requirements and testing.pdfISO 11415 1997 Tools for pressing — Die sets.pdfISO IEC 24793-2 2010 Information technology — Mobile multicast communications Protocol over native IP multicast networks — Part 2.pdfISO IEC 14476-5 2008 Information technology — Enhanced communications transport protocol Specification of N-plex multicast transport — Part 5.pdfISO 17225-1 2021 Solid biofuels — Fuel specifications and classes — Part 1 General requireme.pdfISO 15243 2017 Rolling bearings — Damage and failures — Terms, characteristics and causes.pdfISO 17733 2015 Workplace air — Determination of mercury and inorganic mercury compounds — Method by cold-vapour atomic absorption spectrometry or atomic fluorescence spectrometry.pdfGB-T 43138-2023 土方机械 起吊和捆系连接点 性能要求.pdfGB-T 16850.7-2001 光纤放大器试验方法基本规范 第7部分 带外插入损耗的试验方法.pdfGB-T 1507-2006 锰矿石 有效氧含量的测定 重铬酸钾滴定法.pdfGB-Z 41359-2022 土壤质量 呼吸曲线法测定土壤微生物区系的丰度和活性.pdfGB-T 5270-2024 金属基体上的金属覆盖层 电沉积和化学沉积层 附着强度试验方法评述.pdfGB-T 18989-2013 放射性核素成像设备 性能和试验规则 伽玛照相机.pdfGB-T 25132-2010 液压过滤器 压差装置试验方法.pdfGB-T 7674-2020 额定电压72.5kV及以上气体绝缘金属封闭开关设备.pdfGB-T 30803-2014 建筑用绝热制品 绝热材料与粘结剂和基底涂层的拉伸粘结强度的测定.pdfGB-T 17968-2000 信息技术 系统间的远程通信和信息交换 与OSI数据链路层标准相关的管理信息元素.pdf
