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发明名称
ANORDNUNG FUER SPRECHZEUGE MIT TRANSISTORVERSTAERKER.
摘要
申请公布号
DE1892265(U)
申请公布日期
1964.05.06
申请号
DE196300V5629U
申请日期
1963.11.04
申请人
VEB FERNMELDEWERK ARNSTADT
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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