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ASTM A106 sib npaug ASME yog dab tsi?

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ASME SA-556M Qib C2 Seamless Cold Drawn Pipe

JIS G3454 STPG 410 yog cov pa roj carbon steel yeeb nkab uas ua raws li cov qauv kev lag luam hauv Nyij Pooj (JIS) thiab feem ntau yog siv rau cov kev

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