STAS 12944-1991
Equipment for hydrogeological drilling. Piston sand pumps for bottom

Standard No.
STAS 12944-1991
Release Date
1991
Published By
RO-ASRO
Latest
STAS 12944-1991
Scope
Prezentul standard se refer? la lingurile cu piston folosite pentru extragerea detritu-sului ?i a lichidului din sond? ?n timpul forajului ?i a opera?iilor de punere ?n produc?ie.

STAS 12944-1991 history

  • 1991 STAS 12944-1991 Equipment for hydrogeological drilling. Piston sand pumps for bottom



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