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GB/T 45177-2024_Chinese: Technical specification of lighting environment for plant factories with electric lighting (Chinese: 人工光型植物工厂光环境技术规范)
GB/T 45561
English versions: GB/T 23454-2025
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)
English versions: GB/T 7143-2025
GB/T 6594.1-2025 Chinese PDF (GB /T6594.1-2025) GB/T 28199-2025 GB/T 45177-2024_Chinese: Technical specification ofGB T 6594. 1 2025_Chinese: Plastics Polystyrene(PS) moulding and extrusion materials Part 1: Designation system and basis for specifications (Chinese: PS 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 6594. 1 2025
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