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发明名称
Einrichtung zum Messen von Entfernungen mit Hilfe von Echos elektromagnetischer Impulse
摘要
申请公布号
DE623005(C)
申请公布日期
1935.12.11
申请号
DE1931S098798D
申请日期
1931.05.20
申请人
SUBMARINE SIGNAL COMPANY;SUBMARINE SIGNAL COMPANY
发明人
分类号
G01S13/10
主分类号
G01S13/10
代理机构
代理人
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地址
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