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发明名称
Driller
摘要
申请公布号
US2562040(A)
申请公布日期
1951.07.24
申请号
US19430492373
申请日期
1943.06.26
申请人
EX-CELL-O CORPORATION
发明人
KARWEIT JOHN W.
分类号
B23B47/34
主分类号
B23B47/34
代理机构
代理人
主权项
地址
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