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经营范围
发明名称
Voice interactive security system
摘要
申请公布号
US4821027(A)
申请公布日期
1989.04.11
申请号
US19870121417
申请日期
1987.11.16
申请人
DICON SYSTEMS LIMITED
发明人
MALLORY, JOHN;BURGMANN, THOMAS A. D.;LENNARTZ, GARY
分类号
G08B19/00;H04M11/04;(IPC1-7):G08B19/00;H04Q7/00
主分类号
G08B19/00
代理机构
代理人
主权项
地址
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