GB/T 31728-2023 Chinese PDF (GB/T31728-2023) GB/T 12250-2023 GB/T 10444-2024_Chinese: Method of type

GB/T 10444-2024_Chinese: Method of type establishment for mechanical seals (Chinese: 机械密封产品型号编制方法)

GB/T 1677-2023_Chinese: Determining the epoxy value of plasticizers (Chinese: 增塑剂环氧值的测定)

English versions: GB/T 9489-2024

English versions: GB/T 10159-2023

GB/T 10463-2024_Chinese: Maize flour (Chinese: 玉米粉)

GB/T 31728-2023 Chinese PDF (GB/T31728-2023) GB/T 12250-2023 GB/T 10444-2024_Chinese: Method of typeGB T 31728 2023_Chinese: Portable luminaires with charging devices (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31728 2023