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发明名称
Tool mounting
摘要
申请公布号
US1803243(A)
申请公布日期
1931.04.28
申请号
US19280295813
申请日期
1928.07.27
申请人
SULLIVAN MACHINERY COMPANY
发明人
GARTIN ELMER G.
分类号
E21B19/081
主分类号
E21B19/081
代理机构
代理人
主权项
地址
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