Geotechnical investigation and testing — Identification and classification of soil — Part 1: Identification and description (ISO 14688-1:2017); German version EN ISO 14688-1:2018— 40 стр.
Geotechnical investigation and testing - Identification and classification of soil - Part 1: Identification and description (ISO 14688-1:2017); German version EN ISO 14688-1:2018— 34 стр.
Geotechnical investigation and testing - Identification and classification of soil - Part 1: Identification and description (ISO 14688-1:2017); German version EN ISO 14688-1:2018— 34 стр.