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经营范围
发明名称
FLOW-THROUGH SAMPLER
摘要
申请公布号
SU866154(A1)
申请公布日期
1981.09.23
申请号
SU19792856239
申请日期
1979.11.16
申请人
VNII PRIRODNYKH GAZOV
发明人
KIRYASHKIN VIKTOR M,SU
分类号
E21B49/08;(IPC1-7):E21B49/08
主分类号
E21B49/08
代理机构
代理人
主权项
地址
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