发明名称 ANTI-FOG SURGICAL FACE MASK WITH SLITE
摘要 A surgical face mask comprising a filtration medium and a sheet of air impervious material, said sheet having slits which define flaps that are outwardly moveable under the influence of exhaled breath to provide paths for directing the flow of exhaled breath away from the eyes of the wearer of the mask.
申请公布号 PH10923(A) 申请公布日期 1977.10.05
申请号 PH19380000164 申请日期 1974.10.22
申请人 JOHNSON & JOHNSON 发明人 LAUER W;ASPELIN G;CAFEREY R
分类号 G02C1/00;A41D13/11;A61B19/00;A62B18/02;A62B23/00 主分类号 G02C1/00
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