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发明名称
Kobling til Omstilling af en Telefonabonnentstation til Bærefrekvenstovejsdrift.
摘要
申请公布号
DK59502(C)
申请公布日期
1942.02.23
申请号
DKD59502
申请日期
1940.11.06
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
分类号
H04M1/00
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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