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经营范围
发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPS6224795(A)
申请公布日期
1987.02.02
申请号
JP19850162830
申请日期
1985.07.25
申请人
TAMURA ELECTRIC WORKS LTD
发明人
OKUMURA SENJI;SEKINE KATSUYUKI;SUGIURA RYUZO
分类号
H04Q3/58;H04M3/48
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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