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发明名称
HOME TELEPHONE EXCHANGE SYSTEM
摘要
申请公布号
JPH04269065(A)
申请公布日期
1992.09.25
申请号
JP19910029677
申请日期
1991.02.25
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
NOZAKI SHINGO;TANAKA SHOZO;HAMADA AKIHIKO;KATO YUTAKA;SUZUKI YOSHINORI
分类号
H04M3/50;H04M11/00;H04N1/00;H04Q3/58
主分类号
H04M3/50
代理机构
代理人
主权项
地址
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