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发明名称
DRILL
摘要
申请公布号
CA353158(A)
申请公布日期
1935.09.24
申请号
CAD353158
申请日期
申请人
WILLIAM J. MCCALLUM
发明人
WILLIAM J. MCCALLUM
分类号
主分类号
代理机构
代理人
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