GOST R 51639-2000

Bits for core exploratory drilling wells the big diameters. Types and main dimensions

NORMA vydána dne 1.1.2001

The information about the standard:

Designation standards: GOST R 51639-2000
Publication date standards: 1.1.2001
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST