
HEAT-TREATABLE STEELS, ALLOY STEELS AND FREE-CUTTING STEELS - PART 2: ALLOY STEELS FOR QUENCHING AND TEMPERING
出版:International Organization for Standardization

专家解读视频
NF EN ISO 683-2 : 2017 PR - Identical
NF EN ISO 683-2 : 2017 PR - Identical
DIN EN 10083-3 : 2009-01 - Identical
11/30230618 DC : 0 - Identical
DIN EN 10083-3 E : 2007 - Identical