STAS 12859-1990
Equipment for hydrogeological drilling BAILERS WITH VALVE FOR BOTTOM WELL CLEAN OUT

Standard No.

STAS 12859-1990

Release Date

1990

Published By

RO-ASRO

Latest

STAS 12859-1990

Scope

Prezentul standard se refer? la lingurile cu clap? folosite pentru extragerea detri-tusului si lichidului din gaura de sond?, ?n forajul hidrogeologic.

STAS 12859-1990 history

• 1990 STAS 12859-1990 Equipment for hydrogeological drilling BAILERS WITH VALVE FOR BOTTOM WELL CLEAN OUT