Noise reduction system
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United States of America Patent
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Mar 29, 2011
Grant Date -
N/A
app pub date -
Jan 6, 2009
filing date -
Jan 10, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A noise reduction system for use with a DWV system to reduce the noise emitted from the DWV system when waste water flows through the DWV system. The noise reduction system includes a sleeve and a spacer. The noise reduction system is mounted on the pipes and fittings of the DWV system.
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