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First Author:fangcanfeng
Disigner of the Invention:宋丹丹,zhangxingguo,Xinglong Dong,Hao Huang,刘光旭
Application Number:CN201410628125.9
Authorization Date:2014-11-10
Authorization number:CN104404327A
Pre One:一种高强韧等温淬火球铁及其生产方法和应用