NS EN ISO 22475-1 Ed. 1 (2007)现行
Geotechnical Investigation And Testing - Sampling Methods And Groundwater Measurements - Part 1: Technical Principles For Execution
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Deals with the technical principles of sampling of soil, rock and groundwater, and with groundwater measurements, in the context of geotechnical investigation and testing, as described in EN 1997-1 and EN 1997-2.
ONORM EN ISO 22475-1:2006 - Identical
ISO 22475-1:2006 - Identical
SS EN ISO 22475-1 Ed. 1 (2006) - Identical
UNI EN ISO 22475-1:2007 - Identical
NEN EN ISO 22475-1:2006 - Identical
I.S. EN ISO 22475-1:2006 - Identical
NF EN ISO 22475-1:2007 - Identical
NBN EN ISO 22475-1:2007 - Identical
DIN EN ISO 22475-1 (2007-01) - Identical
BS EN ISO 22475-1:2006 - Identical
SN EN ISO 22475-1:2007 - Identical
