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Summary: ptfe water jet compund filter cloth construction gray needle felt white fine

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Summary: 1 frontlit banner 2 base fabric 200d 18 12 200 500d 9 3 usage 4 340g 440 510 610

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Summary: kneader meet demand 1 convenient assembly line labor intensity environment level

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Summary: albemarle ethanox 323 equivalent antioxidant double effect radical termination

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Summary: sodium stannate inorganic compound formula na2sn oh 6 colourless salt forms