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经营范围
发明名称
GROUNDWATER SAMPLER
摘要
申请公布号
GB1527751(A)
申请公布日期
1978.10.11
申请号
GB19750007214
申请日期
1976.02.17
申请人
WATER RES CENTRE
发明人
分类号
E03B3/20;E21B49/08;(IPC1-7):E03B3/16;E03B3/18;E03B5/04
主分类号
E03B3/20
代理机构
代理人
主权项
地址
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