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发明名称
DATA TRANSFER EQUIPMENT
摘要
申请公布号
JPH04167752(A)
申请公布日期
1992.06.15
申请号
JP19900293804
申请日期
1990.10.31
申请人
YAMAHA CORP;NIPPON TELEGR & TELEPH CORP <NTT>
发明人
TAKAYAMA AKIRA;YOSHIDA MITSUO;MATSUI SHINICHI
分类号
H04M11/00;H04M1/253;H04M1/27;H04Q11/04
主分类号
H04M11/00
代理机构
代理人
主权项
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