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| International Standard Category: Industrial process measurement and control |
GB/T 17645.20-2002 Industrial automation systems and integration--Parts Library--Part 20:Logical resource:Logical model of expressions
工业自动化系统与集成零件库 第20部分：逻辑资源：表达式的逻辑模型 ;
| Category No.: | 25.040.40 | Valid Status: | valid |
| Issued Organization: | AQSIQ | Issued Date: | 2002-05-08 |
| Implemented Date: | 2002-10-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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