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PLURAL COLOR ANTI-COPYING SYSTEMS FOR XEROGRAPHIC AND ELECTROSTATIC COPYING MACHINES
PLURAL COLOR ANTI-COPYING SYSTEMS FOR XEROGRAPHIC AND ELECTROSTATIC COPYING MACHINES
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机译:静电照相和静电复印机的多色反复印系统
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摘要
ABSTRACT OF DISCLOSUREAn anti-copying system or method of coloring anoriginal document with pre-selected background and imagecolors which, in combination, inhibit or prevent intelligi-ble reproduction on xerographic and electrostatic copyingmachines.
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