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发明名称
Vent for sports helmet
摘要
申请公布号
USD493921(S1)
申请公布日期
2004.08.03
申请号
US20030194305F
申请日期
2003.11.21
申请人
ZHUHAI (USA) SAFETY HELMETS MFG. CO., LTD.
发明人
RONG QING
分类号
主分类号
代理机构
代理人
主权项
地址
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