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发明名称
AUTOMATED ATTENDANT
摘要
申请公布号
CA2069780(A1)
申请公布日期
1992.12.01
申请号
CA19922069780
申请日期
1992.05.28
申请人
CALLELE, DAVID
发明人
CALLELE, DAVID
分类号
H04M1/663;H04M3/436;H04M3/48;H04N1/327;H04Q3/545;H04Q3/72;(IPC1-7):H04M3/42
主分类号
H04M1/663
代理机构
代理人
主权项
地址
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