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发明名称
Multiple stage feed leg assembly
摘要
申请公布号
US3119455(A)
申请公布日期
1964.01.28
申请号
US19610089985
申请日期
1961.02.17
申请人
THOR POWER TOOL COMPANY
发明人
FUEHRER GEORGE H.;KORFF WOLFRAM G.
分类号
B23B45/14;E21B19/087
主分类号
B23B45/14
代理机构
代理人
主权项
地址
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