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发明名称
TWO-WAY LINE SELECTION SYSTEM
摘要
申请公布号
JPS6251395(A)
申请公布日期
1987.03.06
申请号
JP19850189594
申请日期
1985.08.30
申请人
HITACHI LTD
发明人
TANABE SHIRO;SUZUKI TAHEI
分类号
H04Q3/58;H04Q3/54
主分类号
H04Q3/58
代理机构
代理人
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地址
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