Keywords = Polypropylene facemask
| Number of Articles: 1 | ||
| 1 | INCREASING THE EFFICIENCY OF THE MEDICAL FACEMASK TO RESIST COVID-19 | |
| Volume 19, Issue 2, April 2022, Page 1-11 | ||
| A. S. Ali; M. K. Mohamed; W. Y. Ali; A. H. Badran | ||
| Number of Articles: 1 | ||
| 1 | INCREASING THE EFFICIENCY OF THE MEDICAL FACEMASK TO RESIST COVID-19 | |
| Volume 19, Issue 2, April 2022, Page 1-11 | ||
| A. S. Ali; M. K. Mohamed; W. Y. Ali; A. H. Badran | ||
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