UNE 22661:1985
ROCK DRILLING. DRILL-RODS AND DETACHABLE BITS FOR PERCUSSIVE DRILLING.

Standard No.

UNE 22661:1985

Release Date

1985

Published By

AENOR

Latest

UNE 22661:1985

UNE 22661:1985 history

• 1985 UNE 22661:1985 ROCK DRILLING. DRILL-RODS AND DETACHABLE BITS FOR PERCUSSIVE DRILLING.