18

The efficiency of ultrasonic oscillations transfer into the load

Year:
2009
Language:
english
File:
PDF, 379 KB
english, 2009
23

Oil sand processing by ultrasonic technique

Year:
2008
Language:
english
File:
PDF, 111 KB
english, 2008
32

Ultrasonic unit for restoring oil wells

Year:
2009
Language:
english
File:
PDF, 116 KB
english, 2009