DavidandRaymondisawell-knownAmerican-ChinesebasedU.S.patentfirmsince1993withdirectbranchesinBeijing,Shanghai,Shenzhen,Hangzhou,Ningbo,Wuhan,Shaoxing,Changzhou,Foshan,HongKong,Taiwan,MalaysiaandVietnam.Wehaveestablishedad
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