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

OSBL is

  • OutSide the Battery Limit

OSBL is also in:

Acronym Definition Searched: GD JKO WIJ 32410 ICPEMC PTE 80108 USAARENDB WWMA HDS BMD FBD VJA CQD WAQ