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发明名称
Log for measuring the distance traveled by water-borne vessels
摘要
申请公布号
US2136756(A)
申请公布日期
1938.11.15
申请号
US19350022100
申请日期
1935.05.17
申请人
WSEVOLOD PAVLOVITCH AMPENOFF
发明人
ROCKALL GEORGE ALFRED;ROCKALL WILLIAM ALBERT EDWARD
分类号
G01P5/06;G01P5/07
主分类号
G01P5/06
代理机构
代理人
主权项
地址
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