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发明名称
TIME DIVISION MULTIPLEX SWITCHING SYSTEM
摘要
申请公布号
CA879400(A)
申请公布日期
1971.08.24
申请号
CAD879400
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
HERBERT S. FEDER
分类号
主分类号
代理机构
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