Patent search ap:("PATELHOLD PATENTVERWERTUNG") AND inv:"ALEXANDER RUSTERHOLZ" Page 1

1.

发明授权
Cathode-ray tube with secondary intensity control of cathode rays 失效
Title translation: 阴极射线二次强度控制的阴极射线管

公开(公告)号：US2521255A

公开(公告)日：1950-09-05

申请号：US79363047

申请日：1947-12-24

Applicant: PATELHOLD PATENTVERWERTUNG

Inventor： ALEXANDER RUSTERHOLZ , VON BAEYER HANS JAKOB

IPC: H01J29/52 , H01J31/02

CPC classification number: H01J29/52 , H01J31/02

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