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发明名称
Helmet
摘要
申请公布号
US2871481(A)
申请公布日期
1959.02.03
申请号
US19560627166
申请日期
1956.12.10
申请人
AMERICAN LATEX PRODUCTS CORPORATION
发明人
GERSTIN HARRY
分类号
A42B3/12;A42B3/16
主分类号
A42B3/12
代理机构
代理人
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