STAS 12860-1990
Equipment for hydrogelogical drilling GRABS FOR BOTTOM WELL CLEAN OUT

Standard No.

STAS 12860-1990

Release Date

1990

Published By

RO-ASRO

Latest

STAS 12860-1990

Scope

Prezentul standard se refer? la graiferele cu un calbu, folosite pentru prinderea ?i extragerea buc??ilor mari de roc? de la talpa sondei, ?n forajul hidrogeologic.

STAS 12860-1990 history

• 1990 STAS 12860-1990 Equipment for hydrogelogical drilling GRABS FOR BOTTOM WELL CLEAN OUT