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发明名称
Schaltungsanordnung fuer kombinierte Tuersprech- und OEffneranlagen in Mehrwohnungshaeusern
摘要
申请公布号
DE1926314(A1)
申请公布日期
1970.11.26
申请号
DE19691926314
申请日期
1969.05.23
申请人
HEIDER GMBH
发明人
TEICHMANN,WILFRIED
分类号
H04M11/02
主分类号
H04M11/02
代理机构
代理人
主权项
地址
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