Historical
ISO 128-22:1999
Technical drawings -- General principles of presentation -- Part 22: Basic conventions and applications for leader lines and reference lines
This part of ISO 128 specifies general rules on the presentation of leader and reference lines and their components as well as on the arrangement of instructions on or at leader lines in all kinds of technical documents.
CONTENT PROVIDER
International Organization for Standardization [iso]
International Organization for Standardization [iso]