GB/T 6578-2024 Chinese PDF (GB/T6578-2024) GB/T 18910.3-2024 GB/T 12789

GB/T 12789

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 45582-2025_Chinese: Test method for quantitative analysis of hemp chemical components (Chinese: 大麻化学成分定量分析方法)

GB/T 45138-2024_Chinese: Technical specification for evaluation of antiviral activity of interferon (Chinese: 干扰素抗病毒活性评价技术规范)

GB/T 29335-2024_Chinese: General quality requirements for twist-off caps of food containers (Chinese: 食品容器用爪式旋开盖质量通则)

GB/T 6578-2024 Chinese PDF (GB/T6578-2024) GB/T 18910.3-2024 GB/T 12789GB T 6578 2024_Chinese: Hydraulic fluid power Cylinders Dimensions and tolerances of housings for rod wiper rings in reciprocating applications (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 6578 2024