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以下内容需要回复才能看到Buy irrigation systemRelative Viscosity in Sulforic Acid:3.32-3.55 Water content:200-400ppm Density:1.12-1.15 Tio2:0%Extractable:<0.6% Sara polymer Tel：+98-21-88280702ContactbbMs.Azar khajavi Fax： +98-21-88280703 PostCommercial Manager e-mail
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