having electron-beam tubes producing an image of at least one character which is photographed

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Photoelectronic composing machines > having electron-beam tubes producing an image of at least one character which is photographed

Child Classifications

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• B41B 19/02 the characters appearing on the screen in succession
• B41B 19/08 with combinations of characters appearing on the screen at the same time
• B41B 19/16 Character carriers associated with electron-beam tubes