(C1) Downhand 28 Grade 3 DNV Welding positions All Grade KMW3 NK Welding positions All Grade 3 BV Welding positions Grade All 3 GL Welding positions All Grade - CCS Welding positions - Grade - RINA CWB T¨UV KS Welding positions -○ JIS ○ 3 All KMW3 All - -3 All - -- - ○○...