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经营范围
发明名称
Water depth apparatus
摘要
A device suitable to accurately determine water depth. The device comprises a rod having a weighted first end, a fixed float and a movable float.
申请公布号
US5351414(A)
申请公布日期
1994.10.04
申请号
US19920954744
申请日期
1992.09.30
申请人
COGLIANO, JOSEPH A.
发明人
COGLIANO, JOSEPH A.
分类号
G01B3/08;G01C13/00;G01F23/04;G01F23/64;(IPC1-7):G01B3/00
主分类号
G01B3/08
代理机构
代理人
主权项
地址
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