File:Tubular air preheater.png: Revision history

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11 March 2022

22 June 2009

19 May 2009

  • curprev 23:5123:51, 19 May 2009imported>Milton Beychok 272 bytes +272 {{Image_notes_ownworkpd |Description = A typical tubular air preheater as used in thermal power plants |CZ_username = ~~~ |Notes = |Other_versions = }} ==Licensing/Copyright status== {{PD-self}}