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经营范围
发明名称
VOICE CONFERENCE EQUIPMENT
摘要
申请公布号
JPS6429154(A)
申请公布日期
1989.01.31
申请号
JP19870185171
申请日期
1987.07.24
申请人
NIPPON TELEGR & TELEPH CORP <NTT>;TOSHIBA CORP
发明人
MAKINO SHOJI;KOIZUMI NOBUO;HIDA MIZUHIRO;KUSHIGE NAOHIDE;SAEKI TAKASHI;MINAMI SHIGENOBU
分类号
H04M9/08
主分类号
H04M9/08
代理机构
代理人
主权项
地址
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