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发明名称
Interface for office telecommunications
摘要
申请公布号
IT1199798(B)
申请公布日期
1988.12.30
申请号
IT19860022725
申请日期
1986.12.17
申请人
GTE COMMUNICATION SYSTEMS CORPORATION
发明人
JAMES B. BLACK
分类号
H04M3/60;H04Q11/06;(IPC1-7):H04M/
主分类号
H04M3/60
代理机构
代理人
主权项
地址
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