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发明名称
Safety helmet
摘要
申请公布号
US3239842(A)
申请公布日期
1966.03.15
申请号
US19640358006
申请日期
1964.04.07
申请人
JOSEPH BUEGELEISEN COMPANY
发明人
MARCHELLO JOHN L.
分类号
A42B3/22;A42B3/32
主分类号
A42B3/22
代理机构
代理人
主权项
地址
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