GB/T 33475.4-2024 Chinese PDF (GB/T33475.4-2024) GB/T 45552-2025 GB/T 45344-2025_Chinese: General technical requirements

GB/T 45344-2025_Chinese: General technical requirements for fabricated and prefabricated gas piping used in buildings (Chinese: 建筑用装配式预制燃气管道通用技术条件)

English versions: GB/T 44888-2024

GB/T 45452-2025_Chinese: Hydraulic fluid power - Mounting dimensions for single rod cylinders

GB/T 18396-2025_Chinese: Rubber latex - Determination of surface tension (Chinese: 胶乳 表面张力的测定)

English versions: GB 25972-2024

GB/T 33475.4-2024 Chinese PDF (GB/T33475.4-2024) GB/T 45552-2025 GB/T 45344-2025_Chinese: General technical requirementsGB T 33475. 4 2024_Chinese: Information technology High efficiency multimedia coding Part 4: Conformance testing (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 33475. 4 2024