GB/T 27624-2024 Chinese PDF (GB/T27624-2024) GB/T 14078-2024 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 45457

GB/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)

6-2024_Chinese: Primary batteries - Part 6: Guidance on environmental aspects (Chinese: 原电池 第6部分：环境指南)

GB/T 20236-2025_Chinese: Accelerated outdoor weathering test methods for nonmetallic materials using concentrated natural sunlight (Chinese: 非金属材料的聚光加速户外暴露试验方法)

GB/T 27624-2024 Chinese PDF (GB/T27624-2024) GB/T 14078-2024 2-2025_Chinese: Plastics - Impact-resistant polystyreneGB T 27624 2024_Chinese: Manufacturing specification for processing of fresh and frozen cultured Takifugu rubripes (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27624 2024