DIN 18300:2019-09 German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Earthworks
2019DIN 18300:2019-09 German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Earthworks
2012DIN 18300:2012 German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Earthworks
0000 DIN 18300:2010
2006DIN 18300:2006 German construction contract procedures - Part C: General technical specifications for building works - Earthworks