2.
    发明专利
    未知

    公开(公告)号:DE2257497A1

    公开(公告)日:1973-05-30

    申请号:DE2257497

    申请日:1972-11-23

    Applicant: RCA CORP

    Abstract: A cathode-ray tube having a conductive internal coating comprised of iron oxide, graphite, and an alkali silicate on the interior walls of the tube.

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