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发明名称
Pen
摘要
申请公布号
USD667875(S1)
申请公布日期
2012.09.25
申请号
US201129389630F
申请日期
2011.04.14
申请人
LIANG WENYAN;BEIFA GROUP CO., LTD.
发明人
LIANG WENYAN
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主分类号
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代理人
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