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发明名称
Sun visor for protective hat
摘要
申请公布号
US2934767(A)
申请公布日期
1960.05.03
申请号
US19580770070
申请日期
1958.10.28
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
SCHOENER ALLEN G.
分类号
A42B3/22
主分类号
A42B3/22
代理机构
代理人
主权项
地址
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