Draft standard
PR NF M87-203/A1
; PR NF EN ISO 11961/A1
PR NF M87-203/A1
; PR NF EN ISO 11961/A1
Petroleum and natural gas industries - Steel drill pipe - Amendment 1
Title (German)
Erdöl- und Erdgasindustrie - Stahl-Bohrrohre - Änderung A1