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发明名称
Interlocked propelling and clamping means for mobile drills
摘要
申请公布号
US2020785(A)
申请公布日期
1935.11.12
申请号
US19330661944
申请日期
1933.03.21
申请人
THE CINCINNATI BICKFORD TOOL COMPANY
发明人
SUNDERMANN H. HENRY
分类号
B23Q1/28
主分类号
B23Q1/28
代理机构
代理人
主权项
地址
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