3

Multi-stage activation of brown-coal chars with oxygen

Year:
1977
Language:
english
File:
PDF, 517 KB
english, 1977
4

Activation of brown-coal chars with oxygen

Year:
1977
Language:
english
File:
PDF, 719 KB
english, 1977
10

Improvement of wear resistance of some cold working tool steels

Year:
2017
Language:
english
File:
PDF, 2.83 MB
english, 2017