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发明名称
Liquid-level indicator
摘要
申请公布号
US1772929(A)
申请公布日期
1930.08.12
申请号
US19240719084
申请日期
1924.06.10
申请人
LIQUIDOMETER COMPANY
发明人
GIERS CLARENCE A. DE
分类号
G01F23/34
主分类号
G01F23/34
代理机构
代理人
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地址
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