UNE 22651:1985
ROCK DRILLING. HOLLOW HEXAGONALDRILL. STEELS IN BAR FORM.

Standard No.

UNE 22651:1985

Release Date

1985

Published By

AENOR

Latest

UNE 22651:1985

UNE 22651:1985 history

• 1985 UNE 22651:1985 ROCK DRILLING. HOLLOW HEXAGONALDRILL. STEELS IN BAR FORM.