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English versions: GB/T 21270-2025
GB/T 20854-2025_Chinese: Corrosion of metals and alloys - Accelerated testing involving cyclic exposure to salt mist
GB/T 20972
unvulcanized - Determinations using a shearing-disc viscometer - Part 2: Determinations of pre-vulcanization characteristics (Chinese: 未硫化橡胶 用圆盘剪切黏度计进行测定 第2部分：初期硫化特性的测定)
English versions: GB/T 17145-2024
GB/T 23025-2024 Chinese PDF (GB /T23025-2024) GB 45186-2024 English versions: GB/T 21270-2025GB T 23025 2024_Chinese: Integration of informatization and industrialization management systems Classification and application guidelines for production equipment operation control information models (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23025 2024
