专利 一种用于搅拌摩擦焊接的固定装置
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ISO 20978 2020 Liming material — Determination of neutralizing value — Titrimetric methods.pdf
ISO 17807 2013 Space data and information transfer systems - Asynchronous message service.pdf
ISO 5802 2001 Industrial fans — Performance testing in situ.pdf
ISO 16431 2012 Hydraulic fluid power — System clean-up procedures and verification of cleanliness of assembled systems.pdf
ISO 10656 2016 Resistance welding equipment — Transformers — Integrated transformers for welding guns.pdf
ISO 9943 2009 Shipbuilding — Ventilation and air-treatment of galleys and pantries with cooking appliances.pdf
ISO 15546 2011 Petroleum and natural gas industries — Aluminium alloy drill pipe.pdf
ISO IEC 14888-3 2018 IT Security techniques — Digital signatures with appendix — Part 3 Discrete logarithm based mechanisms.pdf
ISO-IEC 23001-9 2016 Information technology - MPEG systems technologies - Part 9 Common encryption of MPEG-2 transport streams.pdf
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GB 17352-2010 摩托车和轻便摩托车后视镜的性能和安装要求.pdf
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GB-T 7962.7-1987 无色光学玻璃测试方法 条纹度检测方法.pdf
GB-T 11145-2014 润滑剂低温黏度的测定 勃罗克费尔特黏度计法.pdf
GB-T 19215.1-2003 电气安装用电缆槽管系统 第1部分 通用要求.pdf
GB-T 34986-2017 产品加速试验方法.pdf
GB-T 25602-2010 土方机械 机器可用性 术语.pdf
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