GOST 4938-78

Drilling rotors and for oil and gas wells repair. Basis parameters and dimensions

STANDARD published on 1.1.1980

English and Russian -
electronic design (pdf) (153.00 USD)

English and Russian -

Print design (153.00 USD)

Russian -

electronic design (pdf) (44.20 USD)

Russian -

Print design (44.20 USD)

The information about the standard:

Designation standards: GOST 4938-78
Note: WITHDRAWN
Publication date standards: 1.1.1980
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Russian technical standard
Category: Technical standards GOST

Annotation of standard text GOST 4938-78 :

Implemented changes and corrections:
Amd. 2.85
Amd. 11.86
Amd. 11.90