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发明名称
CALIBRATION AND PROVING OF METERS
摘要
申请公布号
US3455143(A)
申请公布日期
1969.07.15
申请号
USD3455143
申请日期
1966.10.31
申请人
ESSO RESEARCH & ENG. CO.
发明人
FRANCIS FURMAN SHAMP
分类号
G01F25/00;(IPC1-7):G01F25/00
主分类号
G01F25/00
代理机构
代理人
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