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Class Information
Number: 178/32
Name: Telegraphy > Systems > Printing > Multiple-line circuit > With type-wheel recorder
Description: Multiple-line circuit printing systems employing type wheel recorders.

Patents under this class:

Patent Number Title Of Patent Date Issued
7746939 Methods and apparatus for encoding information in a signal by spectral notch modulation Jun. 29, 2010
3987884 Printing apparatus with paper positioning tractor means and escapement means Oct. 26, 1976

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