517 radius R (m) weight (kg) pcs/layer arc length L (cm) grey coloured 0,50 101 3 78,5 ○ 2,00 101 3 78,5 ○ ○ 5,00 101 3 78,5 ● ● 6,00 101 3 78,5 ● ● 8,00 101 3 78,5 ● ● L R curve table 20x30 2/2 exterior 4 edge courses width 30cm edge courses
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