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服務保障：核心零部件，均采用進口1年質保

HN型六角外螺紋接套
HN型六角外螺紋接套
HNL型長螺紋六角接套
HNL型長螺紋六角接套
RHN型外螺紋異徑接套
RHN型外螺紋異徑接套
RHN型六角外螺紋接套
RHN型六角外螺紋接套
RHN型六角外螺紋接套
RHN型六角外螺紋接套
PTH型管堵頭
PTH型管堵頭
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