DIN 18723-2:1990-07 Field procedure for precision testing of surveying instruments; levels

标准编号：DIN 18723-2:1990-07

英文标题：Field procedure for precision testing of surveying instruments; levels

德文标题：Feldverfahren zur Genauigkeitsuntersuchung geodätischer Instrumente; Nivelliere

发布日期：1990-07

标准预览图