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English versions: GB/T 45117-2024
1-2025_Chinese: Plastics - Impact-resistant polystyrene(PS-I) moulding and extrusion materials - Part 1: Designation system and basis for specifications (Chinese: 塑料 抗冲击聚苯乙烯（PS-I）模塑和挤出材料 第1部分：命名系统和分类基础)
English versions: GB/T 22454-2025
GB/T 45285-2025_Chinese: Ergonomics of human-system interaction - Evaluation directives for the design of input system (Chinese: 人-系统交互工效学 输入系统设计评估导则)
GB/T 45454-2025 Chinese PDF (GB /T45454-2025) GB/T 32151.40-2025 English versions: GB/T 45117-2024GB T 45454 2025_Chinese: Compression and injection moulds Components for gating systems (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45454 2025
