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发明名称
Retarding circuit
摘要
申请公布号
US2876396(A)
申请公布日期
1959.03.03
申请号
US19550494777
申请日期
1955.03.16
申请人
AMERICAN DISTRICT TELEGRAPH COMPANY
发明人
RUSH CHARLES D.;MUEHTER MANFRED W.
分类号
G08B17/06
主分类号
G08B17/06
代理机构
代理人
主权项
地址
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