Hobart Institute - Oxyacetylene Welding Demo Clip
87 بار بازدید -
7 سال پیش
-
Hobart Institute's Oxyacetylene Welding demo.
Hobart Institute's Oxyacetylene Welding demo. New from Hobart Institute of Welding Technology! To order complete training curriculum for your classroom, go to http://www.welding.org/c-43-oxyacetylene-welding-brazing-and-cutting.aspx
7 سال پیش
در تاریخ 1396/11/27 منتشر شده
است.
87
بـار بازدید شده