
Geotechnical investigation and testing - Sampling methods and groundwater measurements Part 1: Technical principles for execution (ISO 22475-1:2006)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
ONORM EN ISO 22475-1:2006 - Identical
NEN EN ISO 22475-1:2006 - Identical
SS EN ISO 22475-1 Ed. 1 (2006) - Identical
NS EN ISO 22475-1 Ed. 1 (2007) - Identical
UNI EN ISO 22475-1:2007 - Identical
I.S. EN ISO 22475-1:2006 - Identical
NF EN ISO 22475-1:2007 - Identical
NBN EN ISO 22475-1:2007 - Identical
BS EN ISO 22475-1:2006 - Identical
SN EN ISO 22475-1:2007 - Identical
ISO 22475-1:2006 - Identical