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发明名称
SCHALTUNGSANORDNUNG ZUM VERHINDERN DES UNBEFUGTEN ANRUFENS
摘要
申请公布号
DD238899(A1)
申请公布日期
1986.09.03
申请号
DD19850277828
申请日期
1985.06.27
申请人
VEB FERNMELDEWERK,NORDHAUSEN,,,DD
发明人
HINZ,DIETMAR,DD;MURAS,MICHAEL,DD
分类号
H04M1/66;(IPC1-7):H04M1/66
主分类号
H04M1/66
代理机构
代理人
主权项
地址
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