1
IS 5268 : Part 1 : 1991
(Reaffirmed Year :
2017
)
Engineering Metrology - Straightedges - Part 1 : Cast Iron Staightedges (Bow Shaped or Camel Back Type and 1-section or Parallel Type) ( First Revision ) (Incorporated Amendement No.1)
Technical Committee :
PGD 25