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.