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发明名称
Flaring tool
摘要
申请公布号
US2998839(A)
申请公布日期
1961.09.05
申请号
US19570700414
申请日期
1957.12.03
申请人
THE RIDGE TOOL COMPANY
发明人
INGWER CARL H.
分类号
B21D41/02
主分类号
B21D41/02
代理机构
代理人
主权项
地址
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