GB/T 20794-2021海洋及相关产业分类标准
英文:Industrial classification for ocean industries and their related activities GB/T 20794-2021介绍: 国家标准《海洋及相关产业分类》由TC283(...
英文:Industrial classification for ocean industries and their related activities GB/T 20794-2021介绍: 国家标准《海洋及相关产业分类》由TC283(...