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发明名称
摘要
申请公布号
JPH0412743(U)
申请公布日期
1992.01.31
申请号
JP19900053503U
申请日期
1990.05.22
申请人
发明人
分类号
H04M3/22;H04M1/24;H04M11/00;H04Q1/45;H04Q9/00;(IPC1-7):H04M11/00
主分类号
H04M3/22
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代理人
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