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发明名称
EXPANDABLE DIGITAL SWITCHING NETWORK
摘要
申请公布号
SG67983(G)
申请公布日期
1985.01.11
申请号
SG19830000679
申请日期
1983.09.09
申请人
INT STANDARD ELECTRIC CORP
发明人
分类号
H04Q3/545;G06F15/173;H04J3/00;H04Q11/04;(IPC1-7):H04Q11/04
主分类号
H04Q3/545
代理机构
代理人
主权项
地址
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