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经营范围
发明名称
Tube expander
摘要
申请公布号
US1878049(A)
申请公布日期
1932.09.20
申请号
US19300484295
申请日期
1930.09.25
申请人
GUSTAV WIEDEKE COMPANY
发明人
WIEDEKE GUSTAV
分类号
B21D39/06
主分类号
B21D39/06
代理机构
代理人
主权项
地址
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