GB 12341-1990

1:25000, 1:50000 and 1:100000 topographic maps—Specifications for aerophotogrammetric field work

NORMA vydaná dňa 4.6.1990

The information about the standard:

Designation standards: GB 12341-1990
Note: NEPLATNÁ
Publication date standards: 4.6.1990
Country: Chinese technical standard
Kategória: Technické normy GB