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经营范围
发明名称
LINE SWITCHING DEVICE
摘要
申请公布号
JPS6486751(A)
申请公布日期
1989.03.31
申请号
JP19870244609
申请日期
1987.09.29
申请人
TOSHIBA CORP
发明人
INOUE YASUSHI
分类号
H04M11/00;H04N1/00;H04N1/32
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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