IS 3499 : Part 1 : 1985 Specification for metal chairs for office purposes: Part I non-revolving and non-tilting
  
      | UDC 684.432.044 : 651.2 | CED 35 | 
    |  | 
    | Reaffirmed 2020 | 
  1 Scope  
1.1 This standard (Part 1) covers requirements of materials,construction and finish of non-revolving and non-tilting metalchairs for office purposes.  
2 References  
IS 2 : 1960Rules for rounding off numerical values  
IS 737 : 1974Specification for wrought aluminium and aluminium alloys,sheet and strip