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经营范围
发明名称
Helmet supporting structure
摘要
申请公布号
US3183522(A)
申请公布日期
1965.05.18
申请号
US19620218020
申请日期
1962.08.20
申请人
WILSON ATHLETIC GOODS MFG. CO., INC.
发明人
GROOT JOHN K.
分类号
A42B3/14
主分类号
A42B3/14
代理机构
代理人
主权项
地址
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