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发明名称
Rotary table
摘要
申请公布号
US2592633(A)
申请公布日期
1952.04.15
申请号
US19450610972
申请日期
1945.08.17
申请人
HART WILSON JOHN
发明人
WILSON JOHN HART
分类号
E21B3/04
主分类号
E21B3/04
代理机构
代理人
主权项
地址
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