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Class Information
Number: 346/70
Name: Recorders > Record receiver expansion and marker position shift
Description: Recorders with automatic means to shift the marker to change its zero position as the paper zero position shifts, as due to change in size of paper as the humidity changes.

Patents under this class:

Patent Number Title Of Patent Date Issued
4835547 Thermal printer with a mechanism for preventing a recording sheet's meandering May. 30, 1989
4591871 Recorder with functions to correct expansion or contraction of recording paper May. 27, 1986

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