?NORM EN ISO 15612: 2018 10 01現行
Specification and qualification of welding procedures for metallic materials - Qualification by adoption of a standard welding procedure (ISO 15612:2018)
出版：Osterreichisches Normungsinstitut/Austrian Standards
專家解讀視頻
ISO 15612:2018 - Identical
EN ISO 15612 :2018 - Identical
EN ISO 15612 : 2004 - Identical
ISO 15612:2018 - Identical
EN ISO 15612 :2018 - Identical
EN ISO 15612 : 2004 - Identical
