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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 20730.2-2019 |
Instruments with analogue inputs and two-or multi-state outputs for use in industrial-process control systems—Part 2:Guidance for inspection and routine testing 工业过程控制系统用模拟输入两位或多位输出仪表 第2部分:检查和例行试验导则 |
China National Standards 2:Guidance |
 English PDF |
| GB/T 19829.2-2005 |
Petroleum and natural gas industries-Life cycle costing-Part 2:Guidance on application of methodology and calculation methods 石油天然气工业 寿命周期费用分析 第2部分:方法论和计算方法应用指南 |
China National Standards 2:Guidance |
English PDF |
| GB/T 18978.2-2004 |
Ergonomic requirements for office work with visual display terminals(VDTs)--Part 2:Guidance on task requirements 使用视觉显示终端(VDTs)办公的人类工效学要求 第2部分:任务要求指南 |
China National Standards 2:Guidance |
English PDF |
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