Forwarded from S. Mohammad Tabaie
سختی سنجی ،راکول.mp4
19.4 MB
Forwarded from S. Mohammad Tabaie
سختی سنجی ،ویکرز.mp4
23.2 MB
Forwarded from Deleted Account
1-Introduction-2.pdf
1.2 MB
Forwarded from Deleted Account
2- Generalities.pdf
379.1 KB
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8-Oxyfuel Gas Welding.pdf
1.6 MB
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13-Solid State Welding.pdf
2.2 MB
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14-Weld defects-1-2 vahedi.pdf
4.7 MB