ऊर्जा रूपांतरण दक्षता: Revision history

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29 August 2023

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25 January 2023

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17 January 2023

  • curprev 19:4719:47, 17 January 2023alpha>Indicwiki 49,677 bytes +49,677 Created page with "{{Short description|Ratio between the useful output and the input of a machine}} {{More citations needed|date=August 2008}} File:Process_efficiency_diagram.png|thumb|उप..."