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发明名称
Tool retainer
摘要
申请公布号
US2042926(A)
申请公布日期
1936.06.02
申请号
US19340713011
申请日期
1934.02.26
申请人
THE CLEVELAND ROCK DRILL COMPANY
发明人
CURTIS JOHN C.
分类号
B25D17/08
主分类号
B25D17/08
代理机构
代理人
主权项
地址
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