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发明名称
Traegerfrequenzsystem
摘要
申请公布号
DE833368(C)
申请公布日期
1952.03.06
申请号
DE1950L002133
申请日期
1950.05.23
申请人
LICENTIA PATENT-VERWALTUNGS-G.M.B.H.
发明人
TROPF DIPL.-ING. FRITZ
分类号
H04J1/04
主分类号
H04J1/04
代理机构
代理人
主权项
地址
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