Flowing-down rainwater filtration device and rainwater storage device using the same
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United States of America Patent
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Aug 17, 2010
Grant Date -
May 8, 2008
app pub date -
Nov 1, 2005
filing date -
Nov 25, 2004
priority date (Note) -
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Abstract
A filtration device, which can be installed at a relatively low place below the full water level of a storage tank, is obtained. for filtrating the rainwater flowing into the storage chamber is detachably attached to the storage chamber.
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