GB/T 15852.2-2024 Chinese PDF (GB/T15852.2-2024) GB/T 45540-2025 GB/T 13603-2023_Chinese: Marine battery installation

GB/T 13603-2023_Chinese: Marine battery installation (Chinese: 船舶蓄电池装置)

4-2025_Chinese: Acoustics - Laboratory measurement of sound insulation of building elements - Part 4: Measurement procedures and requirements (Chinese: 声学 建筑构件隔声的实验室测量 第4部分：测量程序和要求)

1-二氯乙烷的残留量和迁移量的测定)

English versions: GB/T 12538-2023

English versions: GB/T 22452-2025

GB/T 15852.2-2024 Chinese PDF (GB/T15852.2-2024) GB/T 45540-2025 GB/T 13603-2023_Chinese: Marine battery installationGB T 15852. 2 2024_Chinese: Cybersecurity technology Message authentication codes(MACs) Part 2: Mechanisms using a dedicated hash function (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 15852. 2 2024