2

Educational systems for training in vacuum

Year:
1976
Language:
english
File:
PDF, 197 KB
english, 1976
6

A device for locating defective insulators of crane trolleys

Year:
1975
Language:
english
File:
PDF, 88 KB
english, 1975
7

Automatic control of the tilting rate of the ladle during the casting of iron

Year:
1961
Language:
english
File:
PDF, 250 KB
english, 1961