Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 3-15-1994
Scope
This standard describes the proportions and dimensions of geometric tolerance symbols shown on engineering drawings. These symbols and words can be written by hand (the frame can be drawn with a ruler), or they can be drawn by other suitable methods such as templates, tracing, and mechanical drawing.
CNS 3-15-1994 history
1994CNS 3-15-1994 Engineering Drawing (Geometrical Tolerancing - Proportions and Dimensions for Symbols)