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摘要
申请公布号
JP2740041(B2)
申请公布日期
1998.04.15
申请号
JP19900184401
申请日期
1990.07.13
申请人
发明人
分类号
H04Q3/42;H04M1/253;H04M1/725;H04M11/00;H04Q3/58;H04Q5/00;H04Q7/24;H04Q7/26;H04Q11/04;(IPC1-7):H04M11/00
主分类号
H04Q3/42
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代理人
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