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经营范围
发明名称
Protective helmet
摘要
申请公布号
US3208080(A)
申请公布日期
1965.09.28
申请号
US19640355981
申请日期
1964.03.30
申请人
ERNEST HIRSCH ARTHUR
发明人
HIRSCH ARTHUR ERNEST
分类号
A42B3/00
主分类号
A42B3/00
代理机构
代理人
主权项
地址
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