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公开(公告)号：US3575139A
公开(公告)日：1971-04-20
申请号：US3575139D
申请日：1969-06-04
Applicant: XEROX CORP
Inventor： NUZUM LARRY W
CPC classification number: G03G15/09
Abstract: A multiple gating arrangement combined with multiple brush developing unit formed with a magnetic developing blanket for effecting quick production and collapse of magnetic developing bristles for use in an electrostatic reproduction machine.
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公开(公告)号：US3570453A
公开(公告)日：1971-03-16
申请号：US3570453D
申请日：1968-08-07
Applicant: XEROX CORP
Inventor： NUZUM LARRY W
CPC classification number: G03G15/09
Abstract: Apparatus to control the stopping and starting function of a magnetic brush developing system in which the magnetic brush is rapidly brought in and out of operative contact with an image bearing photoconductive surface.
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