IS 5213 : 1969 Specification for French Curves for Drawing Office Use
UDC 744.345 | PGD 22 |
|
Reaffirmed 2019 |
1 Scope
1.1 This specification covers the requirements of French curvesmade from transparent plastic material for drawing office use.
1.2 This specification does not cover mathematical curves orcurves for special requirements.
2 Reference
IS 2 : 1960 Rules forrounding off numerical values