STAS 408-1984
PETROl.KUM KQUIPMET Tlirco blade drag bits

Standard No.

STAS 408-1984

Release Date

1984

Published By

RO-ASRO

Latest

STAS 408-1984

Scope

Prezentul standard se refer? la sapele cu trei lame, folosite ?n roci slabe ?i slabe-medii la forajul rotativ al sondelor.

STAS 408-1984 history

• 1984 STAS 408-1984 PETROl.KUM KQUIPMET Tlirco blade drag bits
• 1974 STAS 408-1974 Petroleum equipment THREE BLADE DRAG BITS