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发明名称
Liquid-level indicator
摘要
申请公布号
US1768946(A)
申请公布日期
1930.07.01
申请号
US19240745429
申请日期
1924.10.23
申请人
PROTECTOSEAL COMPANY
发明人
ANSCHICKS RUDOLPH J.
分类号
G01F23/58
主分类号
G01F23/58
代理机构
代理人
主权项
地址
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