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经营范围
发明名称
TELEPHONE CONTROL SYSTEM
摘要
申请公布号
US4045619(A)
申请公布日期
1977.08.30
申请号
US19750622006
申请日期
1975.10.14
申请人
ARISTONICS CORPORATION
发明人
HARRINGTON, LAURENCE P.
分类号
H04Q3/58;H04M1/675;(IPC1-7):H04M1/66
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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