553 weight (kg) 63 weight (kg) 63 weight (kg) 44 weight (kg) 86 30 50 20 R 20 20 30 50 R 20 20 30 R 30 20 30 R 30 External corner 180° R=30 cm External corner 90° R=30 cm External corner 90° R=20 right External corner 90° R=20 cm left curve piece 30x20 2/2 type IB 4 edge courses width 20cm edge courses
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