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发明名称
Liquid level indicator
摘要
申请公布号
US1925747(A)
申请公布日期
1933.09.05
申请号
US19290369606
申请日期
1929.06.10
申请人
ETTORE CARETTA
发明人
CARETTA ETTORE
分类号
G01F23/66
主分类号
G01F23/66
代理机构
代理人
主权项
地址
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