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发明名称
ALARM SIGNAL SYSTEM
摘要
申请公布号
CA428861(A)
申请公布日期
1945.07.17
申请号
CAD428861
申请日期
申请人
SIGNAL ENGINEERING AND MANUFACTURING COMPANY
发明人
JOHN HERBERT WHEELOCK
分类号
主分类号
代理机构
代理人
主权项
地址
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