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发明名称
BOTTOM SAMPLER
摘要
申请公布号
EP0086544(A3)
申请公布日期
1986.06.11
申请号
EP19830200236
申请日期
1983.02.16
申请人
BOVENS, MARCEL MARTIN JOSEPH
发明人
BOVENS, MARCEL MARTIN JOSEPH
分类号
E02D1/04;E02F3/60;E21B49/02;(IPC1-7):E02D1/04
主分类号
E02D1/04
代理机构
代理人
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