DIN 4118 - DRAFT
DIN 4118 - DRAFT
Draft Document - Headgears and winding towers for mines - Design loads, calculating- and construction principlesstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/2018
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/2018