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发明名称
Electronic earth key.
摘要
申请公布号
EP0316721(B1)
申请公布日期
1994.02.02
申请号
EP19880118605
申请日期
1988.11.09
申请人
ALCATEL SEL AKTIENGESELLSCHAFT;ALCATEL N.V.
发明人
ELSAESSER, MARTIN
分类号
H04M1/53;(IPC1-7):H04M1/53
主分类号
H04M1/53
代理机构
代理人
主权项
地址
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