GB/T 2077-2023 Chinese PDF (GB/T2077-2023) GB/T 28819-2023 English versions: GB/T 45016-2024

English versions: GB/T 45016-2024

2-2025_Chinese: Plastics - Poly(phenylene ether) (PPE) moulding and extrusion materials - Part 2: Preparation of test specimen and determination of properties (Chinese: 塑料 聚苯醚（PPE）模塑和挤出材料 第2部分：试样制备和性能测定)

English versions: GB/T 19318-2024

GB/T 45504-2025_Chinese: Nanotechnologies - Nanostructured porous alumina as catalyst support for vehicle exhaust emission control - Characteristics and measurement methods (Chinese: 纳米技术 汽车尾气排放控制用纳米结构多孔氧化铝催化剂载体 特性和测量方法)

GB/T 2077-2023 Chinese PDF (GB/T2077-2023) GB/T 28819-2023 English versions: GB/T 45016-2024GB T 2077 2023_Chinese: Indexable carbide inserts Corner radii (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 2077 2023