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发明名称
Kobling ved Anlæg til bærefrekvent Overføring af Tale og af Telegraftegn.
摘要
申请公布号
DK65727(C)
申请公布日期
1947.10.13
申请号
DK19410001751
申请日期
1941.08.30
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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