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发明名称
Improvements relating to helmets and similar head coverings
摘要
申请公布号
GB584089(A)
申请公布日期
1947.01.07
申请号
GB19440024434
申请日期
1944.12.06
申请人
HOBSON & SONS (LONDON) LIMITED;CHARLES VICTOR LILLY
发明人
分类号
A42C5/02
主分类号
A42C5/02
代理机构
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地址
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