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发明名称
Personenrufsystem
摘要
申请公布号
DE1817487(A1)
申请公布日期
1970.02.12
申请号
DE19681817487
申请日期
1968.12.30
申请人
BELL CANADA
发明人
G.F. BAKER,EDWARD;LEMIEUX,CLAUDE;LEYBURN,DEREK;J. HORTON,DAVID
分类号
H04M7/16;H04W84/02
主分类号
H04M7/16
代理机构
代理人
主权项
地址
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