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| International Standard Category: Industrial process measurement and control |
GB/T 2625-1981 Process detection and control flow chart; Symbols and letter codes
过程检测和控制流程图用图形符号和文字代号 ;
| Category No.: | 25.040.40 | Valid Status: | valid |
| Issued Organization: | National Standards Bureau | Issued Date: | 1981-04-01 |
| Implemented Date: | 1982-3-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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