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  • BS EN 12517-1-2006 焊接的無(wú)損檢驗(yàn).焊接接頭的放射性檢驗(yàn).驗(yàn)收等級(jí) (Non-destructive examination of welds - Part 1 Evaluation of welded joints in steel, nickel, titanium and their alloys by radiography — Acceptance levels).pdf
BS EN 12517-1-2006 焊接的無(wú)損檢驗(yàn).焊接接頭的放射性檢驗(yàn).驗(yàn)收等級(jí) (Non-destructive examination of welds - Part 1 Evaluation of welded joints in steel, nickel, titanium and their alloys by radiography — Acceptance levels).pdf
2019-11-08 14:29:43
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BS EN 12517-1-2006 焊接的無(wú)損檢驗(yàn).焊接接頭的放射性檢驗(yàn).驗(yàn)收等級(jí) (Non-destructive examination of welds - Part 1 Evaluation of welded joints in steel, nickel, titanium and their alloys by radiography — Acceptance levels)

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