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发明名称
Method of treating steel
摘要
申请公布号
US1948192(A)
申请公布日期
1934.02.20
申请号
US19320597945
申请日期
1932.03.10
申请人
GILLETTE SAFETY RAZOR COMPANY
发明人
STARGARDTER ALBERT R.
分类号
C21D9/52
主分类号
C21D9/52
代理机构
代理人
主权项
地址
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