发明名称 PROTECTIVE HELMET
摘要 A protective hat comprises a shell having a visor in which the underside of the visor is molded with a textured surface that diffuses reflected light.
申请公布号 CA2064393(C) 申请公布日期 1995.05.30
申请号 CA19922064393 申请日期 1992.03.30
申请人 MINE SAFETY APPLIANCES COMPANY 发明人 BYRNES, JAMES K.;DAVIS, GLENN C.
分类号 A42B3/22;(IPC1-7):A42B3/22 主分类号 A42B3/22
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