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发明名称
Range indicator
摘要
申请公布号
US2422204(A)
申请公布日期
1947.06.17
申请号
US19430491791
申请日期
1943.06.22
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MEACHAM LARNED A.
分类号
G01S1/02;G01S7/282;G01S19/21;G01S19/26
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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