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发明名称
Liquid level indicator
摘要
申请公布号
US2720785(A)
申请公布日期
1955.10.18
申请号
US19510263823
申请日期
1951.12.28
申请人
AMERICAN STEEL FOUNDRIES
发明人
SEDGWICK ROBERT K.
分类号
G01F23/68
主分类号
G01F23/68
代理机构
代理人
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地址
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