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经营范围
发明名称
Ferrule expanding tool
摘要
申请公布号
US2155542(A)
申请公布日期
1939.04.25
申请号
US19380185650
申请日期
1938.01.19
申请人
HINCKLEY-MYERS COMPANY
发明人
GRAHAM GEORGE M.
分类号
B21D39/03
主分类号
B21D39/03
代理机构
代理人
主权项
地址
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