http://www.w3.org/ns/prov#value | - With these objects in view, an embodiment of. the invention comprises transporting means, such as a cylinder having a movable surface; means for forming on the surface a latent image, for example by projecting an image onto a charged area of the surface; developing means for applying a powder to the latent image to form a powder image; a transfer charging device including a first corona charging d
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