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经营范围
发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPH02166953(A)
申请公布日期
1990.06.27
申请号
JP19880322659
申请日期
1988.12.21
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
KOBAYASHI TETSUO
分类号
H04M1/66;H04M1/673
主分类号
H04M1/66
代理机构
代理人
主权项
地址
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