Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym MMRR is...

MMRR is

  • Mid- Michigan Railroad Incorporated

MMRR is also in:

Acronym Definition Searched: PPT HN 15477 OTM 99299 PCER ICMS YGA NI WGTM 05873 TSA GOP IADL BRDF