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公开(公告)号:US2851987A
公开(公告)日:1958-09-16
申请号:US48879655
申请日:1955-02-17
Applicant: THOMAS ELECTRONICS INC
Inventor: GEORGE KLINDER WILLIAM
IPC: H01J29/28
CPC classification number: H01J29/28
公开(公告)号:US2851987A
公开(公告)日:1958-09-16
申请号:US48879655
申请日:1955-02-17
Applicant: THOMAS ELECTRONICS INC
Inventor: GEORGE KLINDER WILLIAM
IPC: H01J29/28
CPC classification number: H01J29/28