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公开(公告)号：US3428747A
公开(公告)日：1969-02-18
申请号：US3428747D
申请日：1965-03-22
Applicant: NICHOLAS ALFERIEFF
Inventor： ALFERIEFF NICHOLAS
IPC: B41J5/28 , G06F3/023 , H01H13/84 , H03M11/02 , H03M11/08 , H03M11/22 , H04L17/02 , H04L15/12 , H04L15/16
CPC classification number: G06F3/0235 , B41J5/08 , B41J5/28 , H01H13/84 , H03M11/02 , H03M11/08 , H03M11/22 , H04L17/02
