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GB/T 4728.11-2022 Active
GB/T 4728.11-2022 Graphical symbols for electrical diagrams—Part 11:Architectural and topographical
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 4728.11-2022 |
| CCS | Basic standards and general methods |
| ICS | Comprehensive Electrical Engineering |
| Implement Date | 2023-05-01 |
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$ 189
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$ 189