UNE 22662:1985
ROCK DRILLING. EXTENSION DRILL-STEEL EQUIPMENT FOR PERCUSSIVE LONG. HOLE DRILLING. ROPE-THREADED EQUIPMENTS 22 TO 32 MM.

Standard No.

UNE 22662:1985

Release Date

1985

Published By

AENOR

Latest

UNE 22662:1985

UNE 22662:1985 history

• 1985 UNE 22662:1985 ROCK DRILLING. EXTENSION DRILL-STEEL EQUIPMENT FOR PERCUSSIVE LONG. HOLE DRILLING. ROPE-THREADED EQUIPMENTS 22 TO 32 MM.