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发明名称
SWITCHING SYSTEM FOR COMMUNICATION LINE
摘要
申请公布号
JPS5258308(A)
申请公布日期
1977.05.13
申请号
JP19750134553
申请日期
1975.11.07
申请人
NIPPON ELECTRIC CO
发明人
SASAZAKI YOSHIHIRO
分类号
H04B1/74;H04B3/00;H04B17/00
主分类号
H04B1/74
代理机构
代理人
主权项
地址
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