DISPOSABLE EAR PLUG
Published • Mar 3, 2003
Authors:
KIM Kwan Ho
Abstract
Disclosed is a disposable ear plug for protecting a userâÇÖs ears from noise. The disposable ear plug which includes a disposable soundproofing sheet (10) including a base sheet (15) such as a crumplable paper and an artificial cell membrane containing water or oil. The disposable soundproofing shee...
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