GB/T 6378.3-2024 Chinese PDF (GB/T6378.3-2024) GBZ44938.2-2024 English versions: GB 38031-2025

English versions: GB 38031-2025

GB/T 45211

English versions: GB/T 11420-2024

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)

GB/T 45608-2025_Chinese: Gas-filled ionization chamber for X and γ-ray (Chinese: X、γ射线充气电离室)

GB/T 6378.3-2024 Chinese PDF (GB/T6378.3-2024) GBZ44938.2-2024 English versions: GB 38031-2025GB T 6378. 3 2024_Chinese: Sampling procedures for inspection by variables Part 3: Double sampling schemes indexed by acceptance quality limit (AQL)for lot by lot inspection (Chinese: 3AQL) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 6378. 3 2024