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经营范围
发明名称
Indicating device
摘要
申请公布号
US2406016(A)
申请公布日期
1946.08.20
申请号
US19420435396
申请日期
1942.03.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
HEISING RAYMOND A.
分类号
G01S1/22
主分类号
G01S1/22
代理机构
代理人
主权项
地址
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