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Home › Masking device for a color cathode-ray display tube with a flat screen, of the type comprising a support frame for a tensioned shadowmask, and tensioned shadowmask

Masking device for a color cathode-ray display tube with a flat screen, of the type comprising a support frame for a tensioned shadowmask, and tensioned shadowmask

US Patent 6420054 · Granted Jul 16, 2002

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