Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 3-14-1994
Scope
This standard describes the annotations, definitions, specific applications of geometric tolerance datums and datum systems, and engineering drawing representation methods in the field of mechanical engineering.
CNS 3-14-1994 history
1994CNS 3-14-1994 Engineering Drawing (Geometrical Tolerancing - Datums and Datum - Systems)