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ASTM D2241 Pn10 Pn20 SDR9 20mm DN 630 UPVC Pipe Flexible Tube Water Supply PVC Plastic Pipe - China PVC U Drainage Pipe and PVC-U Pipe
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Chine 630mm UPVC / PVC tuyaux d'alimentation en eau fabricants, fournisseurs - prix direct usine - YOST
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