GB/T 20656-2023 Chinese PDF (GB/T20656-2023) GB/T 45383-2025 GB/T 45599-2025_Chinese: Liquid silicone rubber

GB/T 45599-2025_Chinese: Liquid silicone rubber - Self-lubricating type for connectors (Chinese: 液体硅橡胶 连接器用自润滑型)

English versions: GB/T 44933-2024

GB/T 15651

GB/T 45624-2025_Chinese: Requirements for sales quality control of fruit and vegetables products (Chinese: 果蔬产品销售质量控制要求)

2-2024_Chinese: Plastics - Poly(methyl methacrylate)(PMMA)moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (Chinese: 塑料 聚甲基丙烯酸甲酯(PMMA) 模塑和挤出材料 第2部分：试样制备和性能测定)

GB/T 20656-2023 Chinese PDF (GB/T20656-2023) GB/T 45383-2025 GB/T 45599-2025_Chinese: Liquid silicone rubberGB T 20656 2023_Chinese: Petroleum and natural gas industries Field inspection of new casing, tubing and drill pipe (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20656 2023