DIN 20301:1999
Rock drilling operations - Terminology, units, and symbols for use in formulae

Standard No.

DIN 20301:1999

Release Date

1999

Published By

German Institute for Standardization

Latest

DIN 20301:1999

Replace

DIN 20301:1973

Scope

The document contains and defines technical terminologies of rock drilling which are manly used in mining and deep drilling technique.

DIN 20301:1999 history

• 1999 DIN 20301:1999 Rock drilling operations - Terminology, units, and symbols for use in formulae
• 0000 DIN 20301:1973