Mobile track maintenance machine
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United States of America Patent
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app pub date -
Aug 17, 2005
filing date -
Aug 19, 2004
priority date (Note) -
Abandoned
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Abstract
A mobile track maintenance machine comprising a machine frame extending in a longitudinal direction and supported on a track by undercarriages, track working tools mounted on the machine frame, a sound-proofing wall arranged on the machine frame and having an upper end, a lower end and side ends spaced from each other in the longitudinal direction and connecting the upper and lower ends, and drive means for adjusting the sound-proofing wall relative to the machine frame.
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