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发明名称
Improvements in or relating to ship's logs
摘要
申请公布号
GB504660(A)
申请公布日期
1939.04.28
申请号
GB19380000359
申请日期
1938.01.05
申请人
W. OTTWAY & CO. LIMITED;WILLIAM ROBERT OTTWAY
发明人
分类号
G01P5/06
主分类号
G01P5/06
代理机构
代理人
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地址
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