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发明名称
Improved method of and means for determining distances by means of electromagnetic waves
摘要
申请公布号
GB504767(A)
申请公布日期
1939.05.01
申请号
GB19380005171
申请日期
1938.02.18
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
G01S13/32;G01S13/46
主分类号
G01S13/32
代理机构
代理人
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