
Specification and qualification of welding procedures for metallic materials - Qualification by adoption of a standard welding procedure (ISO 15612:2004)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
I.S. EN ISO 15612:2004 - Identical
NF EN ISO 15612:2004 - Identical
BS EN ISO 15612:2004 - Identical
NBN EN ISO 15612:2004 - Identical
UNI EN ISO 15612:2006 - Identical
NS EN ISO 15612 Ed. 1 (2004) - Identical
UNE EN ISO 15612:2005 - Identical
SS EN ISO 15612 Ed. 1 (2004) - Identical
NEN EN ISO 15612:2004 - Identical
ISO 15612:2004 - Identical
ONORM EN ISO 15612:2004 - Identical