57975 ⎘
Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for Mechanisms for rendering the print visible to the operator
Sub-classes:PRINTING DEVICE USING MAGNETIC MOVEMENT
#2PRINTER AND A METHOD OF DISPLAYING AN IMAGE AT THE USER INTERFACE OF THE PRINTER
#3Media Cartridge and Media Processing Device Engagement Mechanisms
#4Printed material management system that provides a printed material identifier using invisible ink
#5Media cartridge and media processing device engagement mechanisms
#6Print device
#7Media cartridge and media processing device engagement mechanisms
#8Control unit