STAS 5857-1958
Exploration facilities. Nozzles and screw joints for heavy duty drilling metal rods

Standard No.

STAS 5857-1958

Release Date

1959

Published By

RO-ASRO

Latest

STAS 5857-1958

Scope

1 Prezentul standard se refer? la reduc?iile destinate a face leg?tura ?ntre pr?jinile grele ?i pr?jinile de foraj carotiere ?i sape ?i la niplurile destinate a face leg?tura ?ntre pr?jinile grele. 2 Reduc?iile se execut? la cerere ?n tre

STAS 5857-1958 history

• 1959 STAS 5857-1958 Exploration facilities. Nozzles and screw joints for heavy duty drilling metal rods