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发明名称
Sunken-vessel-locating device
摘要
申请公布号
US1772205(A)
申请公布日期
1930.08.05
申请号
US19290338197
申请日期
1929.02.07
申请人
CARELL JOHN P
发明人
CARELL JOHN P.
分类号
B63G8/41
主分类号
B63G8/41
代理机构
代理人
主权项
地址
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