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Class Information
Number: 400/112
Name: Typewriting machines > Annular typewriter (e.g., for typing around circumference of platen)
Description: Subject matter wherein significance is attributed to a typewriter having a cylindrical or partially cylindrical platen* for supporting or backing a record-medium* in which typewriter character* symbols are imprinted on the record-medium in such manner that each successively imprinted character in a direction extending around the periphery of the platen.
Sub-classes under this class:
Patents under this class:
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