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"AD" ????? ???? ???? ?? ???? ????? ?? HDPE ????? ?? ????? ???? ???? ?????? ???? ?? ?????? ??????? (PE) ????? ??? ?????? ? ???????? ??????? ?????? ????? ????? ????? ????? ????? ???????. ????? ??????? ?? ???? ????? ???? ????? ???? ????? ????? ????? ????. ????????? ?? ??????? ?????? ????? ?????? ? ??? ???? ?????? ???? ????? ?? ?????? ??????? ? ??? ???? ???? ?? ???????? ??????? ?????? ??????.
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????? ??????? ???? ????? ????? ??? ??????? ?? ????? ?????? ? ????? ?? ???? ???? ?????? ????? DN1200.
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??????? ??????? ??? ?? ?????? ?????? ????? ??????? ??????? ? ????????? ????? ???? ??? ??????? ????????. ???? ?? ??? ??? ?????? ??? ???? ?? 50 ?????
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