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发明名称
Tube expander and flarer
摘要
申请公布号
US1747376(A)
申请公布日期
1930.02.18
申请号
US19280267527
申请日期
1928.04.05
申请人
THE J. FAESSLER MANUFACTURING COMPANY
发明人
MAUPIN GRAVES R.
分类号
B21D39/12
主分类号
B21D39/12
代理机构
代理人
主权项
地址
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