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发明名称
Stelsel voor het verschaffen van signaaloverdracht tussen een telefooncentrale en instrumenten die zijn geplaatst in de percelen van telefoonabonnees.
摘要
申请公布号
NL192418(C)
申请公布日期
1997.07.04
申请号
NL19820020477
申请日期
1982.12.02
申请人
BASE TEN SYSTEMS, INC.
发明人
分类号
H04M11/06;G08B25/08;H04M11/00;H04M11/04;(IPC1-7):H04M11/04
主分类号
H04M11/06
代理机构
代理人
主权项
地址
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