GB/T 31308.4-2023 Chinese PDF (GB/T31308.4-2023) GB/T 45237-2025 English versions: GB/T 32590

English versions: GB/T 32590

GB/T 45273-2025_Chinese: Juvenile products - General technical requirements for toilet utensils (Chinese: 婴童用品 如厕器具及其附件通用技术要求)

English versions: GB/T 23020-2023

7-2024_Chinese: Power transformers - Part 7: Loading guide for mineral-oil-immersed power transformers (Chinese: 电力变压器 第7部分：油浸式电力变压器负载导则)

119-2024_Chinese: Coaxial communication cables - Part 1-119: Electrical test methods - RF power for coaxial cables and cable assemblies (Chinese: 同轴通信电缆 第1-119部分：电气试验方法 同轴电缆及电缆组件的射频功率)

GB/T 31308.4-2023 Chinese PDF (GB/T31308.4-2023) GB/T 45237-2025 English versions: GB/T 32590GB T 31308. 4 2023_Chinese: Processes, data elements and documents in commerce, industry and administration Long term signature Part 4: Attributes pointing to proof of existence objects used in long term signature formats (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 31308. 4 2023