Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"GUERCIO ANTHONY M" Page 1

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发明授权
Magnetic core scanning arrangement for electronic telephone switching system 失效
Title translation: 用于电子电话交换系统的磁芯扫描装置

公开(公告)号：US3254157A

公开(公告)日：1966-05-31

申请号：US25041663

申请日：1963-01-09

Applicant: BELL TELEPHONE LABOR INC

Inventor： GUERCIO ANTHONY M , MAY HAROLD F

IPC: G06F11/20 , H03K17/82 , H04Q3/54

CPC classification number: G06F11/20 , H03K17/82 , H04Q3/54

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