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发明名称
Liquid level
摘要
申请公布号
US2306874(A)
申请公布日期
1942.12.29
申请号
US19420439517
申请日期
1942.04.18
申请人
BAUSCH & LOMB OPTICAL COMPANY
发明人
FLINT EDWARD F.
分类号
G01C9/30
主分类号
G01C9/30
代理机构
代理人
主权项
地址
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