GB/T 4074.4-2024 Chinese PDF (GB/T4074.4-2024) GB/T 45211.1-2025 8-2024_Chinese: Solid insulating materials -

8-2024_Chinese: Solid insulating materials - Dielectric and resistive properties - Part 8: Determination of dielectric properties(AC method) - Relative permittivity and dielectric dissipation factor(frequencies 1 MHz~300 MHz) (Chinese: 固体绝缘材料 介电和电阻特性 第8部分：测定介电特性（AC方法） 相对介电常数和介质损耗因数（频率 1 MHz~300 MHz）)

English versions: GB/T 4167-2024

GB/T 44943-2024_Chinese: Footwear - Chemical tests - Determination of the content of ortho-phenylphenol - HPLC-MS/MS (Chinese: 鞋类 化学试验方法 邻苯基苯酚含量的测定 高效液相色谱-串联质谱法)

English versions: GB/T 18639-2023

GB 45246-2025_Chinese: Norm of energy consumption per unit production of main wood-based panel products (Chinese: 人造板类主要产品单位产品能源消耗限额)

GB/T 4074.4-2024 Chinese PDF (GB/T4074.4-2024) GB/T 45211.1-2025 8-2024_Chinese: Solid insulating materials -GB T 4074. 4 2024_Chinese: Test methods of winding wires Part 4: Chemical properties (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4074. 4 2024