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middle of the welding joint line of the steel pipe to determine the defects at the welding ... Welder's Handbook, For Gas Shielded Arc Welding, Oxy Fuel Cutting ...
Academic Journal of Science, CD-ROM. ISSN: 2165-6282 :: 2(2):391–396 (2013) c 2013 by UniversityPublications.net Copyright

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