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concrete pump pipe elbow Product Description Concrete Pumping Elbow Regular Specification Size DN100, DN125 Material St52, Mn13-4, Twin wall Radius R180, R240, R275, R500, R1000 Degree 15D, 30D, 45D, 60D, 90D Extension 170mm, 211mm, 411mm serbuk permukaan lukisan, Manual lukisan Warna Putih, merah, Kuning, Green, Blue Size Chart For Wear Resistant Single Or Double Layer…