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经营范围
发明名称
Paper drill
摘要
申请公布号
US2637396(A)
申请公布日期
1953.05.05
申请号
US19460718380
申请日期
1946.12.26
申请人
HARRIS-SEYBOLD COMPANY
发明人
SPILLER WILLIAM R.;WEST LLOYD L.
分类号
B23Q11/00;B26F1/16
主分类号
B23Q11/00
代理机构
代理人
主权项
地址
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