ÖNORM A2137

Black leads for mechanical drawing pencils for educational purposes

NORM herausgegeben am 1.10.1989

The information about the standard:

Designation standards: ÖNORM A2137
Note: UNGÜLTIG
Publication date standards: 1.10.1989
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM