
Notes on the use of the Ringelmann and miniature smoke charts.
NORM herausgegeben am 31.12.1969
Designation standards: BS 2742:1969
Note: UNGÜLTIG
Publication date standards: 31.12.1969
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Kategorie: Technische Normen BS