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经营范围
发明名称
PNEUMATIC COMPENSATOR FOR A FLUID SAMPLING CELL
摘要
申请公布号
GB2012722(B)
申请公布日期
1982.05.12
申请号
GB19790000038
申请日期
1979.01.02
申请人
SOC NATIONALE ELF AQUITAINE
发明人
分类号
E21B49/08;G01N1/10;G01N33/26;(IPC1-7):G01N1/12
主分类号
E21B49/08
代理机构
代理人
主权项
地址
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