GB/T 45274-2025 Chinese PDF (GB /T45274-2025) GB/T 45032-2024 2-2025_Chinese: Plastics - Impact-resistant polystyrene

2-2025_Chinese: Plastics - Impact-resistant polystyrene (PS-I)moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (Chinese: 塑料 抗冲击聚苯乙烯（PS-I）模塑和挤出材料 第2部分：试样制备和性能测定)

GB/T 45318-2025_Chinese: Polyethylene terephthalate(PET) beer bottle (Chinese: 聚对苯二甲酸乙二醇酯（PET）啤酒瓶)

English versions: GB/T 45327-2025

300-2025_Chinese: National food safety standard - Determination of L-carnitine in the foods (Chinese: 食品安全国家标准 食品中左旋肉碱的测定)

1-2025_Chinese: Semi-finished spectacle lens blanks - Part 1: Single-vision and multifocal (Chinese: 半成品镜片毛坯 第1部分：单焦和多焦)

GB/T 45274-2025 Chinese PDF (GB /T45274-2025) GB/T 45032-2024 2-2025_Chinese: Plastics - Impact-resistant polystyreneGB T 45274 2025_Chinese: Juvenile products General technical requirements for sensory integration training products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45274 2025