1

Electro-slag welding of 0Kh23N28M3D3T steel

Year:
1971
Language:
english
File:
PDF, 141 KB
english, 1971
9

Improving oil-industry pipe

Year:
2008
Language:
english
File:
PDF, 104 KB
english, 2008
10

Billet centering and grooving in a helical rolling mill

Year:
2008
Language:
english
File:
PDF, 182 KB
english, 2008