gb958
gb958, Total:3 items.
The international standard classification for "gb958" includes: Geology. Meteorology. Hydrology .
The Chinese standard classification for "gb958" includes: Basic standard and general method , Geoscience .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB 958-1989 Geological symbols used for regional geological maps
- GB/T 958-1989 Geological symbols used for regional geological maps
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会
- GB/T 958-2015 Geological legends used for regional geological maps
