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发明名称
VERMITTLUNGSSYSTEM MIT EINER KONFERENZEINRICHTUNG
摘要
申请公布号
DE4017027(A1)
申请公布日期
1991.11.28
申请号
DE19904017027
申请日期
1990.05.26
申请人
PHILIPS PATENTVERWALTUNG GMBH, 2000 HAMBURG, DE
发明人
HOFMANN, RUDOLF, DIPL.-ING., 8550 FORCHHEIM, DE
分类号
H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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