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发明名称
TELEPHONE EXCHANGE SYSTEM
摘要
申请公布号
JPH05207156(A)
申请公布日期
1993.08.13
申请号
JP19920012557
申请日期
1992.01.28
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
NOZAKI SHINGO
分类号
H04M3/54
主分类号
H04M3/54
代理机构
代理人
主权项
地址
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