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- 2016-11-15 Sino-German City-to-City Standardization Cooperation Seminar
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GB/T 20887.2-2022
Continuously hot rolled high strength steel sheet and strip for automobile—Part 2: High hole expansion steel
GB/T 20887.4-2022
Continuously hot rolled high strength steel sheet and strip for automobile—Part 4: Transformation induced plasticity steel
GB/T 20887.3-2022
Continuously hot rolled high strength steel sheet and strip for automobile—Part 3: Dual phase steel
GB/T 20887.5-2022
Continuously hot rolled high strength steel sheet and strip for automobile—Part 5: Martensitic steel
GB/T 41410-2022
Evaluation index system for developmental level of small characteristic town
GB/T 13761.1-2022
Geosynthetics—Determination of thickness at specified pressures—Part 1: Single layers