स्तर (ऑप्टिकल उपकरण): Revision history

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22 August 2023

19 August 2023

18 August 2023

8 August 2023

26 July 2023

  • curprev 16:3916:39, 26 July 2023alpha>Indicwiki 22,362 bytes +22,362 Created page with "{{Short description|Optical instrument to verify horizontal points}} File:Us land survey officer.jpg|thumb|निर्माण स्थल पर उपयोग मे..."