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发明名称
Helmet security d/1
摘要
申请公布号
GB9726508(D0)
申请公布日期
1998.02.11
申请号
GB19970026508
申请日期
1997.12.16
申请人
FIELDER, JOHNNY;SMART, JOHN
发明人
分类号
主分类号
代理机构
代理人
主权项
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