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GB/T 16840.4-2021 Active
GB/T 16840.4-2021 Technical determination methods for electrical fire evidence—Part 4:Metallographic analysis method
Abstract
This document specifies the principles, equipment, materials and reagents, test samples, method steps, metallographic microstructure characteristics, and comprehensive judgment of the metallographic analysis method for identifying electrical fire traces and physical evidence.
This document is applicable to identifying the nature of fire traces and physical evidence based on the metallographic microstructure characteristics presented at the fire scene during fire investigation.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 16840.4-2021 |
| CCS | Fire fighting |
| ICS | Fire prevention |
| Implement Date | 2021-08-20 |
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