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1.发明授权Line concentrator and its associated circuits in a time multiplex transmission system 失效线路集线器及其相关电路在时间复用传输系统中
公开(公告)号：US3311705A
公开(公告)日：1967-03-28
申请号：US27087163
申请日：1963-04-05
Applicant: INT STANDARD ELECTRIC CORP
IPC: H04Q11/04
CPC classification number: H04Q11/0407
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