发明名称 Breath deflector
摘要 A breath deflector comprised of a surface sheet having end edges and side edges divided into four areas by three folding lines connecting the side edges of the surface sheet wherein the four areas are foldably connected to each other.
申请公布号 US4016919(A) 申请公布日期 1977.04.12
申请号 US19740521748 申请日期 1974.11.07
申请人 ZMIJEWSKI, EMMA 发明人 ZMIJEWSKI, EMMA
分类号 A47C21/00;(IPC1-7):A47C21/00 主分类号 A47C21/00
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