GB/T 34877.2-2023 Chinese PDF (GB/T34877.2-2023) GB/T 31904-2024 GB/T 45076-2024_Chinese: Specification for construction

GB/T 45076-2024_Chinese: Specification for construction of recyclable resources trading platform (Chinese: 再生资源交易平台建设规范)

English versions: GB/T 30958-2023

GB/T 44879-2024_Chinese: Identification requirements of engineering machinery products based on OID (Chinese: 基于OID的工程机械产品标识要求)

English versions: GB/T 12279

systems (Chinese: 交流金属氧化物避雷器选择和使用导则)

GB/T 34877.2-2023 Chinese PDF (GB/T34877.2-2023) GB/T 31904-2024 GB/T 45076-2024_Chinese: Specification for constructionGB T 34877. 2 2023_Chinese: Industrial fans Determination of fan sound power levels under standardized laboratory conditions Part 2: Reverberant room method (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 34877. 2 2023