DIN EN ISO 14689:2018-05 Geotechnical investigation and testing - Identification, description and classification of rock (ISO 14689:2017); German version EN ISO 14689:2018
2018DIN EN ISO 14689:2018-05 Geotechnical investigation and testing - Identification, description and classification of rock (ISO 14689:2017); German version EN ISO 14689:2018
2018DIN EN ISO 14689:2018 Geotechnical investigation and testing - Identification, description and classification of rock (ISO 14689:2017); German version EN ISO 14689:2018
0000 DIN EN ISO 14689-1:2016
2011DIN EN ISO 14689-1:2011 Geotechnical investigation and testing - Identification and classification of rock - Part 1: Identification and description (ISO 14689-1:2003); German version EN ISO 14689-1:2003