Specifications for aerial photogrammetric digital mapping of 1:25000,1:50000 and 1:100000 topographic maps
NORMA vydaná dňa 16.12.1997
Designation standards: GB/T 17157-1997
Note: NEPLATNÁ
Publication date standards: 16.12.1997
Country: Chinese technical standard
Kategória: Technické normy GB