GB/T 43253.2-2023 Chinese PDF (GB/T43253.2-2023) GB/T 19980-2025 11-2025_Chinese: Plastics piping systems for

11-2025_Chinese: Plastics piping systems for renovation of underground water supply networks - Part 11: Lining with inserted hoses (Chinese: 地下供水管网非开挖修复用塑料管道系统 第11部分：软管穿插内衬法)

1-2025_Chinese: Rubber - Determination of ash - Part 1: Muffle furnace method (Chinese: 橡胶 灰分的测定 第1部分：马弗炉法)

4-2025_Chinese: Rules for agricultural seed testing - Part 4: Sowing quality - Germination test (Chinese: 农作物种子检验规程 第4部分： 播种质量 发芽试验)

GB/T 14020-2024_Chinese: Hydrogenated rosin (Chinese: 氢化松香)

GB/T 43253.2-2023 Chinese PDF (GB/T43253.2-2023) GB/T 19980-2025 11-2025_Chinese: Plastics piping systems forGB T 43253. 2 2023_Chinese: Road vehicles Functional safety audit and assessment method Part 2: Concept phase and system level (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43253. 2 2023