photoreader photorecord photorecorder photorelay photoresist photoresistance photoresistance cell photoresistance relay photoresistive cell photoresistor photosensitive photosensitive layer photosensitive surface photosensitivity photosensitizer photo sensor photostability photostable photostat photostat paper |
photoreader изч. фотоелектрическо четящо устройство фоточетящо устройство Търсената дума е намерена |