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发明名称
Expanding mandrel
摘要
申请公布号
US1882709(A)
申请公布日期
1932.10.18
申请号
US19300448588
申请日期
1930.04.30
申请人
BROWN COMPANY
发明人
ANDERSON GUSTAVE
分类号
B23B31/40
主分类号
B23B31/40
代理机构
代理人
主权项
地址
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