Two methods are defined and the symbols specified as shown in the figures. The direct orthogonal projection is symbolized by two parallel arrows running vertically to a dash-and-dot line, and the mirror-inverted orthogonal projection by two parallel double arrows running vertically to a dash-and-dot line.
Дата регистрации:
10.09.72
Дата введения:
01.09.72
Код КГС:
Ж01
Код ОКСТУ:
0021
Код ОКС(МКС):
01.100.30
Код ОКП:
0021
Нормативные ссылки:
ELOT 503-1986, EQV*SFS 4873-1982, EQV*IST ISO 2594(1972/STRI), EQV