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发明名称
Making rimmed steel
摘要
申请公布号
US2102502(A)
申请公布日期
1937.12.14
申请号
US19370119630
申请日期
1937.01.08
申请人
ZIMMERMAN RUFUS E;KING CLARENCE D
发明人
ZIMMERMAN RUFUS E.;KING CLARENCE D.
分类号
C21C7/06
主分类号
C21C7/06
代理机构
代理人
主权项
地址
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