Radiograpy Testing Technique Double Wall Double Image (DWDI Elipse)
RSA Channel 1:44 2018-02-14 23:00 12 844 106 16

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NDTWELD DEFECTAHLI RADIOGRAPYOPERATOR RADIOGRAPYAGFAKODAKFUJI FILMFOMAInspection of Welding Defects by Radiography Examination (RT)