DIN 20351 - DRAFT
DIN 20351 - DRAFT Draft Document - Rock drilling - Wedge-shaped shank connections for rotary drilling equipment - Dimensions, design
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 04/01/2014
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 04/01/2014