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经营范围
发明名称
DEALING BOARD WITH TELEPHONIC FUNCTIONS
摘要
申请公布号
EP0442467(A3)
申请公布日期
1993.07.14
申请号
EP19910102012
申请日期
1991.02.13
申请人
HITACHI TELECOM TECHNOLOGIES, LTD.
发明人
TANJI, JUNICHI;OONO, FUMIYOSHI;ISHIDA, TAKUYA;AKIMOTO, TOSHIMI;WATANABE, TOMONOBU;YOSHIDA, KATSUTOSHI;HOSHI, ICHIRO;YAMAUCHI, TATSUO;IMAI, JUNICHIRO
分类号
A47B21/00;H04M1/02;H04M1/23;(IPC1-7):H04M1/02
主分类号
A47B21/00
代理机构
代理人
主权项
地址
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