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发明名称
Wechselstromtelegrafiesystem
摘要
申请公布号
DE836198(C)
申请公布日期
1952.04.10
申请号
DE1949P045848
申请日期
1949.06.15
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
HAESSLER DR.-ING. GERHARD
分类号
H04L27/12
主分类号
H04L27/12
代理机构
代理人
主权项
地址
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