Dhuumaha marinka birta BS31-1940
Bs31-1940-kii
marinka Bs31Tuubooyinka Birta Korontada ah (EMT) waa Plain (Class A) iyo Screwes (Class B), qayb iskutallaab ah oo wareeg ah.Waxa had iyo jeer loo isticmaali jiray ilaalinta fiilooyinka iyo fiilooyinka.
Qalab: Galvanized-class 3/Galvanized-class 4-kulul-kulul
Cabbirka: 3/4-1-1/4"
Halkan ku qor fariintaada oo noo soo dir