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发明名称
Replacement switch
摘要
申请公布号
US4964105(A)
申请公布日期
1990.10.16
申请号
US19880265584
申请日期
1988.11.01
申请人
DSC COMMUNICATIONS CORPORATION
发明人
SCHRODT, DUANE E.;WILSON, DAVID D.
分类号
H04Q11/04
主分类号
H04Q11/04
代理机构
代理人
主权项
地址
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