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发明名称
USE OF A SAMPLING APPARATUS FOR CALIBRATING ELECTRONIC MASS FLOW/FRACTION METERS, IN A PIPELINE
摘要
申请公布号
EP0764236(A1)
申请公布日期
1997.03.26
申请号
EP19950924542
申请日期
1995.06.16
申请人
DYBDAHL, BJORN
发明人
DYBDAHL, BJORN
分类号
E21B49/08;G01N1/10;G01N1/20;(IPC1-7):E21B49/08
主分类号
E21B49/08
代理机构
代理人
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地址
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