ISO 3834-4 : 2005(R2014)现行
QUALITY REQUIREMENTS FOR FUSION WELDING OF METALLIC MATERIALS - PART 4: ELEMENTARY QUALITY REQUIREMENTS
出版：International Organization for Standardization
专家解读视频
Specifies elementary quality requirements for fusion welding of metallic materials both in workshops and at field installation sites.
PN EN ISO 3834-4 : 2007 - Identical
DS EN ISO 3834-4 : 2006 - Identical
SANS 3834-4 : 2ED 2006(R2012) - Identical
SS-EN ISO 3834-4:2005 - Identical
GOST R ISO 3834-4 : 2007 - Identical
AS/NZS ISO 3834.4:2008 (R2018) - Identical
