Gutierrez, John Christopher B.
The effectivity of improvised carbon air filter as an air purifier. - Marikina City March 2019 - vii, 38pages; illustration; 28cm
Includes: references
1. Air filters -- Case studies
TH 7683 / A3 G87 2019
The effectivity of improvised carbon air filter as an air purifier. - Marikina City March 2019 - vii, 38pages; illustration; 28cm
Includes: references
1. Air filters -- Case studies
TH 7683 / A3 G87 2019