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发明名称
Timing system
摘要
申请公布号
US2438904(A)
申请公布日期
1948.04.06
申请号
US19420466557
申请日期
1942.11.23
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
ROSA LOUIS A. DE
分类号
G01S1/02;G01S19/46
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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