Hits:
Type of Patent:发明
State of Patent:已授权
Authorization number:201310668055.5
Service Invention or Not:no
Application Date:2013-12-11
Authorization Date:2015-08-05
Pre One:一种超低铝钢及其冶炼方法
Next One:铬钼金属自还原球团及其制备和直接合金化钢液的方法