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发明名称
Tracking control
摘要
申请公布号
US2516765(A)
申请公布日期
1950.07.25
申请号
US19440523717
申请日期
1944.02.24
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
FERRELL ENOCH B.
分类号
G01S1/02;G01S13/42;G01S13/70;G01S19/29;G06G7/78
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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