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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 17761-2024
English versions: GB 45672-2025
English versions: GB/T 23454-2025
GB/T 14600-2025_Chinese: Electronic gas - Nitrous oxide (Chinese: 电子气体 一氧化二氮)
GB/T 22246-2025 Chinese PDF (GB /T22246-2025) GB 1903.73-2025 1-2025_Chinese: Plastics - Impact-resistant polystyrene(PS-I)GB T 22246 2025_Chinese: Determination of pantothenic acid in health foods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22246 2025
