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经营范围
发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPH0260398(A)
申请公布日期
1990.02.28
申请号
JP19880213084
申请日期
1988.08.26
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
KANEKO HIDEKI
分类号
H04Q3/58
主分类号
H04Q3/58
代理机构
代理人
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地址
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