China 'GB/T 39248-2020
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 39248-2020
Specification for thermoplastic multi-layer (non-vulcanized) hose and hose assemblies for conveying liquefied petroleum gas and liquefied natural gas "No. 1 Amendment" 输送液化石油气和液化天然气用热塑性塑料多层（非硫化）软管及软管组合件 规范《第1号修改单》
Issued Date:2023/3/17
Implemented Date:2023/3/17
Issued by:
The Standardization Administration of the People's Republic of China
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