What does MRZ stand for?

Marind - Language code (ETLW)

Marpo Company, Redding, CA - Manufacturer code for watercraft hull identification number (USCG)

Medizinisches Rechenzentrum - Medical computing centre

Moree - Australia - Airport symbol (OAG)

Syracuse, NY - Location identifier - FAA (FAAL)

Marzo - March - Spanish (AD)