Isi ya Hunani itanga ubwoko bwose bwa BS1139 scafolding couples hamwe nibintu byiza bya Q235B.
BS 1139 couplers zirimo gukumira fakr ebyiri zifatika, kabiri swivel couponr, beam coupler, intera coupours, ibihumyo couporr nibindi.
Igihe cya nyuma: Gicurasi-09-2021