ARSENIC POISON A VINYL CLOTH WRAPPER MASK

摘要

PURPOSE: urgent vinyl exposure mask to be easily carried with respectively by reducing its size, and has cheap cost. ;CONSTITUTION: urgent vinyl mask has the specific size and shape with through-hole (14) including vinyl bag (10), the part (12) with inner space, and by transparent synthetic material. Eardrop (22) is formed in the two sides of mask (20) by the corresponding vinyl bag of heat cured circumference. Mask is installed, adhesive-bonded fabric surrounds mask inside a kind of active carbon. ;The 2013 of copyright KIPO submissions