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发明名称
MODEM DEVICE AND METHOD AND DEVICE FOR INSPECTING THE SAME AND DATA TRANSMISSION CONTROL UNIT
摘要
申请公布号
JPH05153173(A)
申请公布日期
1993.06.18
申请号
JP19910339558
申请日期
1991.11.29
申请人
RICOH CO LTD
发明人
TSUMURA NAOKI
分类号
H04L27/00;H04N1/00
主分类号
H04L27/00
代理机构
代理人
主权项
地址
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