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发明名称
Liquid level gauge
摘要
申请公布号
US2987916(A)
申请公布日期
1961.06.13
申请号
US19570675185
申请日期
1957.07.30
申请人
WILHELM JOSEPH F
发明人
WILHELM JOSEPH F.
分类号
G01F23/34
主分类号
G01F23/34
代理机构
代理人
主权项
地址
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