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发明名称
TEILNEHMERLEITUNGSSCHALTUNG FUER EINE TASTENFERNSPRECHANLAGE
摘要
申请公布号
DE2733476(A1)
申请公布日期
1978.02.02
申请号
DE19772733476
申请日期
1977.07.25
申请人
WESTERN ELECTRIC CO.,INC.
发明人
JOSEPH ANGNER,RONALD;LEE BLOUNT,MARION;VOLNEY LACY,JAMES
分类号
H04Q3/58;H04M9/00;(IPC1-7):H04Q3/24
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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