China 'GB/T 42552.1-2023
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 42552.1-2023
Acoustics - Laboratory method for measuring impact sound improvement of cladding with small slab modules - Part 1: Heavy dense slabs 声学 小楼板模块测量覆面层撞击声改善量的实验室方法 第1部分:重质密实楼板
Issued Date:2023/5/23
Implemented Date:2023/12/1
Issued by:
The Standardization Administration of the People's Republic of China