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发明名称
Structural steel drill
摘要
申请公布号
US3094015(A)
申请公布日期
1963.06.18
申请号
US19600048926
申请日期
1960.08.11
申请人
MULFAB CORPORATION
发明人
MEAD EDWIN L.
分类号
B23B39/16;B23B41/00;B23Q16/00
主分类号
B23B39/16
代理机构
代理人
主权项
地址
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