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经营范围
发明名称
Helmet
摘要
申请公布号
US1996078(A)
申请公布日期
1935.04.02
申请号
US19330668247
申请日期
1933.04.27
申请人
MANSON FRANK G
发明人
MANSON FRANK G.
分类号
A42B1/06;A42B3/00;A42B3/08;A42B3/10
主分类号
A42B1/06
代理机构
代理人
主权项
地址
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