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经营范围
发明名称
Automatic tapping and drilling machine
摘要
申请公布号
US2811876(A)
申请公布日期
1957.11.05
申请号
US19550532855
申请日期
1955.09.07
申请人
BATCHELDER JAMES W
发明人
BATCHELDER JAMES W.
分类号
B23G1/18
主分类号
B23G1/18
代理机构
代理人
主权项
地址
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