HMEFHeat and Moisture Exchanging Filter
HMEFHSBC (Hong Kong and Shanghai Banking Corporation) Midcap Equity Fund (India)
HMEFHis Mercy Endures Forever (Mike Harrison song)
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References in periodicals archive ?
Our circuit consisted of a black rubber mask (BOC, WSP Facemask, product numbers 372623, 372624, 372625, Datex-Ohmeda, Hatfield, Herts) or Intersurgical mask (Intersurgical Scented mask, product codes 1123-5, Intersurgical Ltd), together with a heat moisture exchange filter (HMEF) and circle system delivering oxygen at eight litres per minute.