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发明名称
Signaling system
摘要
申请公布号
US2505574(A)
申请公布日期
1950.04.25
申请号
US19430497000
申请日期
1943.08.02
申请人
RADIO CORPORATION
发明人
RANKIN JOHN ARGUS;RUFUS-ALEXANDER WILLIAM;DEAI HARMON B.
分类号
G08C19/14
主分类号
G08C19/14
代理机构
代理人
主权项
地址
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