UNI 6628-1975
Composite drill pipe head for drilling. Adjustable sleeve and quick-closing sleeve

Standard No.

UNI 6628-1975

Release Date

1975

Published By

IT-UNI

Status

Withdraw

Latest

UNI 6628-1975

UNI 6628-1975 history

• 1975 UNI 6628-1975 Composite drill pipe head for drilling. Adjustable sleeve and quick-closing sleeve