BS 2593:1964

Rotary drill rods and tungsten carbide tipped Rotary drill bits for dry drilling principally in coal.

NORMA vydána dne 3.7.1964

The information about the standard:

Designation standards: BS 2593:1964
Note: NEPLATNÁ
Publication date standards: 3.7.1964
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS