
METALLIC MATERIALS - BRINELL HARDNESS TEST - PART 4: TABLE OF HARDNESS VALUES (ISO 6506-4:2014)
出版:Comite Europeen de Normalisation

专家解读视频
METALLIC MATERIALS - BRINELL HARDNESS TEST - PART 4: TABLE OF HARDNESS VALUES (ISO 6506-4:2014)
出版:Comite Europeen de Normalisation
专家解读视频