Collection conditional graphic symbols for the design of gas supply systems.
Created by:
1. GOST 21.609-83 "System of design documents for construction. Gas supply. Internal devices. Working drawings. "
2. GOST 21.404-85 "System of design documents for construction. Automation of technological processes. Designations instruments and automation in the schemes. "
3. GOST 21.206-93 "System of design documents for construction. Legend pipeline. "
Format - DWG.
33 element.
100% in accordance with GOST.
Items collected in a convenience tool palette blocks AutoCAD 2010.
The archive also contains the halyards, made as a standard drawing format, DWG, compatible with AutoCAD 2004-2014, Compass, ZWCAD, nanoCAD, BricsCAD etc.
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