
1:25000, 1:50000 and 1:100000 topographic maps—Specifications for aerophotogrammetric field work
NORM herausgegeben am 4.6.1990
Designation standards: GB 12341-1990
Note: UNGĂśLTIG
Publication date standards: 4.6.1990
Country: Chinese technical standard
Kategorie: Technische Normen GB