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发明名称
Boring machine
摘要
申请公布号
US2613554(A)
申请公布日期
1952.10.14
申请号
US19470757629
申请日期
1947.06.27
申请人
EX-CELL-O CORPORATION
发明人
BRINKMANN GUENTHER
分类号
B23B41/12
主分类号
B23B41/12
代理机构
代理人
主权项
地址
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