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发明名称
CONTROL SIGNAL SYSTEM FOR LINE EXCHANGE
摘要
申请公布号
JPH07307800(A)
申请公布日期
1995.11.21
申请号
JP19940097406
申请日期
1994.05.11
申请人
OKI ELECTRIC IND CO LTD
发明人
ISHIDA RYOJI
分类号
H04M3/42;H04Q1/30;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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