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经营范围
发明名称
HELMET FACE SHIELD
摘要
A face shield or visor for a helmet which has a second lense fitted into a gapped space underneath the first lense and has improved anti fogging properties.
申请公布号
US2011191947(A1)
申请公布日期
2011.08.11
申请号
US201113022687
申请日期
2011.02.08
申请人
AFX NORTH AMERICA INC.
发明人
HILL GEORGE DOUGLAS
分类号
A42B3/22
主分类号
A42B3/22
代理机构
代理人
主权项
地址
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