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Hubei AD Building Materials (?? ???? ????? 17399989993) ????? ?? ????? ???? ??? ?????? ?? ????? HDPE ?????? DN800 ??? ?? ??? ???? ???? SN10 ? ????????? ? ????????? ??? GB / T 19472.1 ?? ???? ?? ???.
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????? ???? ?????? ?? ????? PE ???? AD DN800 SN10 ? ??? ????
2025-05-10
