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发明名称
TELEPHONE SYSTEM
摘要
申请公布号
JPH04357747(A)
申请公布日期
1992.12.10
申请号
JP19910132550
申请日期
1991.06.04
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
HIRAI YUJI
分类号
H04M1/57;H04M1/66;H04M1/663
主分类号
H04M1/57
代理机构
代理人
主权项
地址
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