
General Specifications Applicable To The Manufacture And Inspection Of Parts Of Cast Steel (all Grades) For Pumps, Values And Similar General Purpose Parts
出版:Association Francaise de Normalisation

专家解读视频
General Specifications Applicable To The Manufacture And Inspection Of Parts Of Cast Steel (all Grades) For Pumps, Values And Similar General Purpose Parts
出版:Association Francaise de Normalisation
专家解读视频