
Micrographic examination of the non-metallic inclusion content of steels using standard pictures
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
SN EN 10247:2017 - Identical
SS EN 10247 Ed. 2 (2018) - Identical
BS EN 10247:2017 - Identical
UNI EN 10247:2017 - Identical
ONORM EN 10247:2017 - Identical
NS EN 10247:2017 - Identical