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发明名称
Schaltungseinrichtung für selektiven Tonfrequenzruf.
摘要
申请公布号
CH211569(A)
申请公布日期
1940.09.30
申请号
CHD211569
申请日期
1939.10.02
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT C. LORENZ
分类号
主分类号
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