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21B

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This is the current revision of this page, as edited by AugustusAudax (talk | contribs) at 13:32, 28 March 2023 (That was stupid). The present address (URL) is a permanent link to this version.

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21B may refer to:

  • 2-1B, a droid character in Star Wars
  • Boron-21 (B-21 or 21B), an isotope of boron

See also

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