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.
Ventilation window
Study desk wall design det
Furniture sectional detail
Fan blocks in AutoCAD 2D,
Fax machine 2d cad blocks
2D block of sofa chair in
AC cooling details in Auto
Different shapes of swimmi
Reception-Countersection D
2d fax phone cad blocks in
Download Free Ceiling Fan
COMPUTER TABLE