GB/T 43253.2-2023 Chinese PDF (GB/T43253.2-2023) GB/T 19980-2025 1-2025_Chinese: Rubber - Determination of

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)

GB/T 31790-2025_Chinese: Detection and identification of main viroids for Solanaceae crops (Chinese: 茄科作物重要类病毒检测鉴定方法)

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)

GB/T 44920-2024_Chinese: Spinning process of large-curved tank bottom - Technological specification (Chinese: 大型曲面箱底旋压成形 工艺规范)

GB/T 43253.2-2023 Chinese PDF (GB/T43253.2-2023) GB/T 19980-2025 1-2025_Chinese: Rubber - Determination ofGB 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