TY - GENERIC DO - 10.20944/preprints202211.0307.v1 UR - http://dx.doi.org/10.20944/preprints202211.0307.v1 TI - Energy Efficient Centrifugal Air Extractor for Environments Contaminated With Sars-Cov-2 (Coronavirus).How to Build a Motor That Saves Electricity T2 - Preprints AU - Anderson, Ibar Federico PY - 2022 DA - 2022/11/16 PB - Preprints