DIN ISO 13715: 2000 Technical drawings - Edges of undefined shape - Vocabulary and indications (ISO 13715: 2000)

The International Organization for Standardization (ISO). 2000. 10 p. This International Standard defines the terms defining the states of edges and specifies rules for representing states of edges of undefined shape in technical drawings.
The proportions and dimensions of the graphical symbols to be used are also specified