International Organization for Standardization (ISO)
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ISO 128-23:1999
Scope
This part of ISO 128 specifies types of lines and their application in construction documentation comprising architectural drawings, structural engineering drawings, building service engineering drawings, civil engineering drawings, landscape drawings and town planning drawings.
ISO 128-23:1999 history
1999ISO 128-23:1999 Technical drawings - General principles of presentation - Part 23: Lines on construction drawings