
METALLIC MATERIALS - BRINELL HARDNESS TEST - PART 1: TEST METHOD (ISO 6506-1:2014)
出版:Comite Europeen de Normalisation

专家解读视频
METALLIC MATERIALS - BRINELL HARDNESS TEST - PART 1: TEST METHOD (ISO 6506-1:2014)
出版:Comite Europeen de Normalisation
专家解读视频