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发明名称
SUBSCRIBER LOOP TESTER FOR TELEPHONE SWITCHING SYSTEMS
摘要
申请公布号
US5208846(A)
申请公布日期
1993.05.04
申请号
US19910758971
申请日期
1991.09.03
申请人
TEKTRONIX, INC.
发明人
HAMMOND, JOHN A.;EDWARDS, JAMES W.;LUBARSKY, JR., ANDRE
分类号
H04M1/24;H04M3/24;H04M3/26;H04M3/30;H04M11/00;H04Q11/04
主分类号
H04M1/24
代理机构
代理人
主权项
地址
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