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发明名称
TIME DIVISION ELECTRONIC EXCHANGE
摘要
申请公布号
JPH03252296(A)
申请公布日期
1991.11.11
申请号
JP19900051026
申请日期
1990.03.01
申请人
NEC CORP
发明人
MATSUSHITA HIDEAKI
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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