STN 221960 (221960)

Mining tools. Sintered carbide tipped drill bits for coal

STANDARD published on 1.5.1970

The information about the standard:

Designation standards: STN 221960
Classification mark: 221960
Catalog number: 54510
Note: WITHDRAWN
Publication date standards: 1.5.1970
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: Slovak technical standard
Category: Technical standards STN