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发明名称
Driller
摘要
申请公布号
US2412211(A)
申请公布日期
1946.12.10
申请号
US19440533332
申请日期
1944.04.29
申请人
EX-CELL-O CORPORATION
发明人
EICHELMAN WILLIAM H.
分类号
B23B31/02;B23Q11/12
主分类号
B23B31/02
代理机构
代理人
主权项
地址
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