United engineering and foundry company
United engineering and foundry company, Pittsburgh.
United States. International Trade Administration. Office of Latin America
Mesta Machine Company
David T. Blazevic
United Steel Companies.
Zbigniew Jaglarz
Association of Iron and Steel Engineers
Greyham Frank Bryant
Canada. Industry, Science and Technology Canada.
Wilhelm Tafel
T. Joseph Ess
Bernhard Schoele
Johann Puppe
Vladimir B. Ginzburg
John Pittner
A. N. Ivoditov
A. A. Korolev
Erich Fischer