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English versions: GB/T 44974-2024
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)
1 encoding rules - Part 1: Specification of Basic Encoding Rules(BER)
3-2025_Chinese: Railway applications - Compatibility between rolling stock and train detection systems - Part 3: Compatibility with axle counters (Chinese: 轨道交通 机车车辆和列车检测系统的兼容性 第3部分：与计轴器的兼容性)
English versions: GB/T 23718
GB/T 44975-2024 Chinese PDF (GB /T44975-2024) GB/T 18978.171-2024 English versions: GB/T 44974-2024GB T 44975 2024_Chinese: Technical measures to trade Requirements for notification (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 44975 2024
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