prodotti IEC 61386-21: 2021 Clausola 10.4.101&10.4.103 e Figura 103 Apparecchiatura di piegatura per guaine metalliche e composite LS-B51M is suitable for bending tests of metal and composite conduits. The bending angle is 90°. After the test, observe whether the sample has cracks. 19 giugno 2025