Here is an autocad dwg file for the Symbols for posters. the symbolic representation for different things is been mentioned in this files drawing legend.
Elevation Meeting room des
Painting CAD blocks design
PC jack plate design in de
craft center design
Wooden roof section detail
game table
Geometric grid mosaic desi
2D block of sofa chair in
Beds Design in AutoCAD
Forge grill detail
Standard Locations of wall
3D living room equipments