What does Mch stand for?

Michigan Reports - A publication (DLA)

Churchill Public Library, Manitoba - Library symbol - National Library of Canada (NLC)

Greater Manchester (SAUS)

Machala - Ecuador - Airport symbol (OAG)

Machine - Telegraphy (PCTE)

Machine Channel Handler (ECII)

Machine Check Handle (NITA)

Machine-Check Handler - Computer science (MCD)

Machynlleth - Welsh depot code

Mail Chute (AAG)

Maintenance CHannel

Manchester Arms - NCIC firearms make code (NCIC)

Maquiritari - Language code (ETLW)

March

Masachapa - Nicaragua - Seismograph station code, US Geological Survey (SEIS)

Massachusetts Council for the Humanities - Defunct (EA)

Master of Community Health

Master of Surgery (SAUO)

Maternal and Child Health (STED)

Maternal and Child Health Services - Generic term (DHSM)

McAlpine Helicopters Ltd. - British - ICAO designator (FAAC)

Mean Cell - or Corpuscular Hemoglobin - Hematology

Mean Corpuscular Hemoglobin - Medicine (ADWA)

Mean Corpuscular Hemoglobin and Red Cell Indices - Hematology (DAVI)

MedChem Products, Inc. - AMEX symbol (COMM)

Melanin-Concentrating Hormone - Endocrinology

Memory Controller Hub

Methacholine - A cholinergic

Methylcyclohexane - Organic chemistry

Methylcyclohexanol - Organic chemistry

Methylcyclohexenone - Organic chemistry

Methylenecyclohexadiene - Organic chemistry

Micham Explorations, Inc. - Vancouver Stock Exchange symbol

Micro Channel Hardware

Microfibrillar Collagen Hemostat - Medicine (MEDA)

Millenium Chemicals, Inc. - NYSE symbol (SAG)

Milwaukee County Hospital - Medicine (EDAA)

Mission Chapel - Church of England

Moravian Church House (SAUO)

Mother-Child Health

Moveable Cultural Heritage (SAUO)

Muscle Contraction Headache - Medicine (CPH)

Unicraft Boats - NCIC boat manufacturer code (NCIC)

Unicraft Boats, Bradenton, FL - Manufacturer code for watercraft hull identification number (USCG)

Megacharacter (ELAL)