STN 451120 (451120)

Deep hole drilling. Casing shoes for casings I

NORM herausgegeben am 1.1.1955

The information about the standard:

Designation standards: STN 451120
Classification mark: 451120
Catalog number: 63566
Note: UNGÜLTIG
Publication date standards: 1.1.1955
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN