Methods for chemical analysis of ironsteel and alloy--The thiocyanate chlorpromazine hydrochloride--chloro form extraction photometric method for the determination of tungsten content
NORM herausgegeben am 31.3.1989
Designation standards: GB/T 223.66-1989
Publication date standards: 31.3.1989
Country: Chinese technical standard
Kategorie: Technische Normen GB