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发明名称
Improvements in and relating to helmets capable of serving as protection against projectiles, blows, thrusts, heat and flame
摘要
申请公布号
GB481437(A)
申请公布日期
1938.03.07
申请号
GB19360024319
申请日期
1936.09.05
申请人
ALDO BEVACQUA
发明人
分类号
A42B3/06
主分类号
A42B3/06
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