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United States Utility Patents
4,678,310 - 4,678,319

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NumberTitle
4,678,310 Device for treating printing plates with a fluid
4,678,311 Multi-magnification short focal length imaging system
4,678,312 Rotatable head type electrophotographic apparatus, corona charging rotatable head and moveable electrophotographic liquid development processing unit therefor
4,678,313 Electrophotographic recording apparatus
4,678,314 Image forming apparatus
4,678,315 Image forming apparatus
4,678,316 Image forming apparatus adapted to enter an interrupt copying mode and an energy saving mode
4,678,317 Charge and bias control system for electrophotographic copier
4,678,318 Image forming apparatus
4,678,319 Measuring device for selecting the filter in photographic enlarging or copying apparatuses



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