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发明名称
MULTIPARTY LINE TELEPHONE SYSTEM
摘要
申请公布号
JPS6416151(A)
申请公布日期
1989.01.19
申请号
JP19870173236
申请日期
1987.07.10
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
ENAMI MASATAKE
分类号
H04M1/00;H04M1/30;H04M1/54;H04M1/72;H04Q5/02
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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