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发明名称
SISTEMA DE AMOSTRAGEM DE FLUIDO SUBTERRANEO
摘要
申请公布号
BR9106441(A)
申请公布日期
1993.05.18
申请号
BR1991PI06441
申请日期
1991.05.10
申请人
OED ENVIRONMENTAL SYSTEMS, INC.
发明人
KENT E. CORDRY;LYNNE K. NIEHAUS;DAVID MIODUSZEWSKI
分类号
E21B7/26;E21B43/08;E21B43/12;E21B49/08;G01N1/12;(IPC1-7):E21B49/08
主分类号
E21B7/26
代理机构
代理人
主权项
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