
AUSTENITIC, AUSTENITIC-FERRITIC AND FERRITIC LONGITUDINALLY WELDED STAINLESS STEEL TUBES FOR THE FOOD AND CHEMICAL INDUSTRY
出版:Comite Europeen de Normalisation

专家解读视频
AUSTENITIC, AUSTENITIC-FERRITIC AND FERRITIC LONGITUDINALLY WELDED STAINLESS STEEL TUBES FOR THE FOOD AND CHEMICAL INDUSTRY
出版:Comite Europeen de Normalisation
专家解读视频