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发明名称
SUBMARINE SIGNALLING SYSTEM
摘要
申请公布号
CA442795(A)
申请公布日期
1947.07.08
申请号
CAD442795
申请日期
申请人
SUBMARINE SIGNAL COMPANY;RAYTHEON MANUFACTURING COMPANY
发明人
BERTRAM MORECROFT HARRISON
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主分类号
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