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经营范围
发明名称
INTERPHONE SYSTEM
摘要
申请公布号
JPH01272361(A)
申请公布日期
1989.10.31
申请号
JP19880103425
申请日期
1988.04.25
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
UENO YOSHIAKI;MIZUGUCHI KEIICHI;TANIGAWA YOSHIHIRO
分类号
H04N7/18;H04M9/00
主分类号
H04N7/18
代理机构
代理人
主权项
地址
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