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发明名称
Empfangseinrichtung für trägerfrequent übermittelte Tastzeichen.
摘要
申请公布号
CH223440(A)
申请公布日期
1942.09.15
申请号
CHD223440
申请日期
1941.12.12
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT C. LORENZ
分类号
H04L15/28
主分类号
H04L15/28
代理机构
代理人
主权项
地址
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