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发明名称
Well mechanism
摘要
申请公布号
US2312600(A)
申请公布日期
1943.03.02
申请号
US19410372788
申请日期
1941.01.02
申请人
ALEXANDER STEPS ROBERT
发明人
STEPS ROBERT ALEXANDER
分类号
E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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動きベクトル検出装置及び方法
