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经营范围
发明名称
MULTISTATION INTERPHONE
摘要
申请公布号
JPS5613845(A)
申请公布日期
1981.02.10
申请号
JP19790089495
申请日期
1979.07.14
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
FUKAGAWA HITOSHI;SHIMADA ISAO
分类号
H04L5/22;H04J3/24;H04M9/00
主分类号
H04L5/22
代理机构
代理人
主权项
地址
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