PN M69771-1974
Welding Defects of butt welded joints defecfed with radiographic testing Designations and definifions

Standard No.

PN M69771-1974

Release Date

1974

Published By

PL-PKN

Latest

PN M69771-1974

PN M69771-1974 history

• 1974 PN M69771-1974 Welding Defects of butt welded joints defecfed with radiographic testing Designations and definifions