DB43/T 2774.2-2023 Technical Review of Qualification Certification of Inspection and Testing Institutions Part 2: On-site Test Assessment Work Specifications (English Version)
Hunan Provincial Standard of the People's Republic of China
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DB43/T 2774.2-2023
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2023DB43/T 2774.2-2023 Technical Review of Qualification Certification of Inspection and Testing Institutions Part 2: On-site Test Assessment Work Specifications