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发明名称
Submarine detection
摘要
申请公布号
US2402391(A)
申请公布日期
1946.06.18
申请号
US19430500479
申请日期
1943.08.30
申请人
RADIO CORPORATION
发明人
GODDARD DE WITT R.
分类号
主分类号
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地址
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