metall-stamos.rumetall-stamos.ru/images/gost/alum/21488-97.pdf · i-oct 4381 —87 m"kp0merpbi...
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- metall-stamos.rumetall-stamos.ru/images/gost/alum/21488-97.pdf · I-OCT 4381 —87 M"Kp0MerpbI FOCT 5009—82 LIIKypKa TKaueBaA. TexlIHqecKHe yc_noEHR FOCT 6456—82 111KypKa 6yuaXHaR
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