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发明名称
摘要
申请公布号
JP2990741(B2)
申请公布日期
1999.12.13
申请号
JP19900144852
申请日期
1990.06.01
申请人
NIPPON DENKI KK
发明人
ITO MORIHIKO
分类号
H04Q3/42;H04Q11/04;(IPC1-7):H04Q11/04
主分类号
H04Q3/42
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