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محاسبه آنلاین مربوط به التراسونیک TOFD http://www.ndtcalc.com/calculators/ut/tofd/tofdpopup.html
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Defect-specimen-brouchure-for-NDT-training.pdf
4.2 MB
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weldw(@IranOilandGas).apk
4.4 MB
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PT Movie_Persian(WeldingWorld).wmv
30.9 MB