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发明名称
Bohrstangenzentriervorrichtung
摘要
申请公布号
DE1752139(B1)
申请公布日期
1970.08.06
申请号
DE19681752139
申请日期
1968.04.09
申请人
GARDNER DENVER CO
发明人
R VINCENT ROBERT;C HUFFMAN MERVIN
分类号
E21B19/24;(IPC1-7):F16C1/26
主分类号
E21B19/24
代理机构
代理人
主权项
地址
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