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发明名称
ELECTRONIC EXCHANGE SYSTEM HAVING SINGLE LINE SWITCHING SWITCH NETWORK OF THYRISTOR
摘要
申请公布号
JPS53117916(A)
申请公布日期
1978.10.14
申请号
JP19780022743
申请日期
1978.02.28
申请人
SIEMENS AG
发明人
KAARU MIHIYAERU SHIYUNAIDAA
分类号
H04Q3/52;H04Q3/545
主分类号
H04Q3/52
代理机构
代理人
主权项
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