ГОСТ 18475-82 Трубы …mkc 23.040.15 rpynna b64 k toct 18475—82 tpyíbl...
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- ГОСТ 18475-82 Трубы …MKC 23.040.15 rpynna B64 K TOCT 18475—82 Tpyíbl XO.110AHOned)OPMHPOBaHHb1e "3 H aJIH)- MHHueBb1X CllJ1aBOB. TexHHqecKHe YCJIOBH (IlepeH3AaHHe (HK)J1b
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