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1.??- ????? ??????? ???????? 1-1 Wpp-??????

    详细说明

    ??????: HYUANDAI HEAVY INDUSTRIES CO.? LTD
    ??? ???????: ????? ??????? ???????? 1-1WPP -Kuwait
    ??????: ?????? SMLS ????? AS PER ASTM A335 / SA335 Gr. P22 / P91
    ?????: O.D 1/2 "-28"