वाल्व गियर: Revision history

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3 February 2023

2 February 2023

26 January 2023

25 January 2023

19 January 2023

  • curprev 19:0119:01, 19 January 2023alpha>Indicwiki 36,648 bytes +36,648 Created page with "{{Short description|Mechanism for controlling steam flow in a reciprocating steam engine.}} {{more citations needed|date=January 2010}} {{Use dmy dates|date=February 2020}} ..."