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经营范围
发明名称
Level indicator for underground storage of fluids
摘要
申请公布号
US2938383(A)
申请公布日期
1960.05.31
申请号
US19550542952
申请日期
1955.10.26
申请人
PHILLIPS PETROLEUM COMPANY
发明人
BLACKBURN CHARLES W.
分类号
G01F23/24
主分类号
G01F23/24
代理机构
代理人
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