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Fabrication of a highly protective 3D-printed mask and evaluation of its viral filtration efficiency using a human head mannequin - ScienceDirect
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3D Printed Mask Frames Improve the Inward Protection Efficiency of a Cloth Mask | ACS ES&T Engineering
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DOD Uses 3D-Printing to Create N95 Respirators > U.S. Department of Defense > Defense Department News
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DOD Uses 3D-Printing to Create N95 Respirators > U.S. Department of Defense > Defense Department News
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USask engineering team designing 3D-printed N95 masks to help combat COVID-19 - News - University of Saskatchewan
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