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经营范围
发明名称
Drilling machine
摘要
申请公布号
US2870994(A)
申请公布日期
1959.01.27
申请号
US19560602134
申请日期
1956.08.06
申请人
WHEEL TRUEING TOOL COMPANY
发明人
KLAPKA KARL J.
分类号
E21B7/02;E21B15/00
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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