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http://www.google.sh/patents/USD574646?utm_source=gb-gplus-share
Patent USD574646 - Chair backrest
Chair backrest
Shu O Su
Overview
Abstract
Drawings
Description
Claims
Patent number
: D574646
Filing date
: 7 Sep 2007
Issue date
: 12 Aug 2008
Application number
: 29/291,625
Plain text
PDF
