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发明名称
Clinch nut spinning tool
摘要
申请公布号
US2771207(A)
申请公布日期
1956.11.20
申请号
US19540431070
申请日期
1954.05.20
申请人
OTT FRED D
发明人
OTT FRED D.
分类号
B21J15/12;B21K25/00
主分类号
B21J15/12
代理机构
代理人
主权项
地址
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