
Illuminants for colour measurements. Types. Technical requirements. Marking
NORMA vydána dne 1.7.1990
Designation standards: GOST 7721-89
Publication date standards: 1.7.1990
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST