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发明名称
Correcting mechanism for mercury column type measuring instruments
摘要
申请公布号
US2542671(A)
申请公布日期
1951.02.20
申请号
US19470792076
申请日期
1947.12.16
申请人
HASS EDWARD C
发明人
HASS EDWARD C.
分类号
G01L7/20
主分类号
G01L7/20
代理机构
代理人
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