ICS25.160.40一一’3中华人民共和国国家标准GB/T3323-2005代替GB/T3323-1987金属熔化焊焊接接头射线照相Radiographicexaminationoffusionweldedjointsinmetallicmaterials2005-07-21发布2006-01-01实施率督畔臀瓣譬蓬瞥臀暴发“GB/T3323-2005IN青本标准是对GB/T3323-19