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发明名称
Drill
摘要
申请公布号
US2405110(A)
申请公布日期
1946.08.06
申请号
US19450607939
申请日期
1945.07.31
申请人
JAMES BULLOCK
发明人
BULLOCK JAMES
分类号
B23B45/14;B25H1/00
主分类号
B23B45/14
代理机构
代理人
主权项
地址
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