螺丝铝合金TRUSS架304mmx304mm BN-GB3030

Specifications:
BN-GB3030-100 = 1M
BN-GB3030-200 = 2M
BN-GB3030-300 = 3M
BN-GB3030-400 = 4M
BN-GB3030: 300x300mm box truss, main tube 50x3mm
BN-GB3030 allowable loading