
GEOTECHNICAL INVESTIGATION AND TESTING - IDENTIFICATION, DESCRIPTION AND CLASSIFICATION OF ROCK - PART 1: IDENTIFICATION AND DESCRIPTION
出版:British Standards Institution

专家解读视频
EN ISO 14689 : 2018 - Identical
ISO 14689 : 2017 - Identical
EN ISO 14689 : 2018 - Identical
ISO 14689 : 2017 - Identical