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发明名称
Collapsible backrest
摘要
申请公布号
USD641563(S1)
申请公布日期
2011.07.19
申请号
US20090351621F
申请日期
2009.12.08
申请人
ENCOMFORT DESIGNS
发明人
MATTESON NICK;PEARSON ERICK
分类号
主分类号
代理机构
代理人
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