DIN ISO 13715:2000-12

The document defines terms relating to states of edges and specifies rules for the non-verbal indication of states of edges of undefined shape on technical drawings. It specifies the proportions and dimensions of the graphical symbols used for this indication. When a geometrically defined shape of edges is required, e.g. 1 × 45°, or when the indications according to the document are ambiguous, the general dimensioning principles given in ISO 129 apply.