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经营范围
发明名称
COMMUNICATION MODE SWITCHING SYSTEM
摘要
申请公布号
JPS6369364(A)
申请公布日期
1988.03.29
申请号
JP19860212632
申请日期
1986.09.11
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
TAKAHASHI TAMOTSU;MIZUSAWA JUNICHI
分类号
H04M11/00
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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