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经营范围
发明名称
GROUNDWATER SAMPLER
摘要
申请公布号
GB9309205(D0)
申请公布日期
1993.06.16
申请号
GB19930009205
申请日期
1993.05.04
申请人
SOLINST CANADA LTD
发明人
分类号
E21B34/12;E21B49/08
主分类号
E21B34/12
代理机构
代理人
主权项
地址
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