Structure design of the duct plate in detail AutoCAD 2D drawing, CAD file, dwg file

<p>Structure design of the duct plate in detail AutoCAD 2D drawing. There were silicon caukling, rockwool, duct sleeve, and inside and outside detail design are given in this file. <span lang="EN-US" style="mso-ansi-language: EN-US;">For more knowledge and detailed information download the AutoCAD 2D dwg file. </span></p>