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发明名称
摘要
申请公布号
JP2759355(B2)
申请公布日期
1998.05.28
申请号
JP19890271692
申请日期
1989.10.20
申请人
HITACHI TEREKOMU TEKUNOROJII KK
发明人
NUMATA KOICHI
分类号
H04M3/00;H04Q3/58;(IPC1-7):H04M3/00
主分类号
H04M3/00
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