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发明名称
Steel nut and method of making
摘要
申请公布号
US2615119(A)
申请公布日期
1952.10.21
申请号
US19470769890
申请日期
1947.08.21
申请人
CATERPILLAR TRACTOR CO.
发明人
RIEGEL GLEN C.
分类号
C21D1/10;F16B37/00
主分类号
C21D1/10
代理机构
代理人
主权项
地址
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