GB/T 45276-2025 Chinese PDF (GB /T45276-2025) GB/T 45346-2025 GB/T 45021

GB/T 45021

GB/T 14478-2025_Chinese: Basic technical specification of inlet valves for large and medium-sized hydraulic turbines (Chinese: 大中型水轮机进水阀门基本技术规范)

1-2024_Chinese: Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 1:GEneral principles (Chinese: 塑料 使用毛细管黏度计测定聚合物稀溶液黏度 第1部分：通则)

English versions: GB/T 21536-2024

English versions: GB/T 11842-2025

GB/T 45276-2025 Chinese PDF (GB /T45276-2025) GB/T 45346-2025 GB/T 45021GB T 45276 2025_Chinese: Juvenile products Guide for design and application of labelling and markings (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45276 2025