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一种含钴类硬质合金铣刀的退磁处理方法

Affilication of Author(s): 西南交通大学,中国铁路总公司

Patent Applicant: hudengwen,陈辉,wuying,王梦超,刘艳,zhuzhongyin,gouguoqing

Service Invention or Not: no

Authorization Date: 4236-06-01