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发明名称
摘要
申请公布号
JPS5638844(Y2)
申请公布日期
1981.09.10
申请号
JP19750127829U
申请日期
1975.09.19
申请人
发明人
分类号
H04M3/22;H04M3/24;H04M3/26;H04Q1/20;(IPC1-7):H04M3/24
主分类号
H04M3/22
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