Machine with at least two modes of operation and switching means
Means for delivery of flowable media, especially lubricants
Method and apparatus for high-efficiency gas separation upstream
Method and apparatus for improving pump net positive suction hea
Method and device for controlling a turbo-machine so as to...
Miniature fan for printed circuit board
Mixing apparatus for microflow gradient pumping
Multi-functional rotating means of electric fan
Multi-purpose clean air fan and fan motor mount assembly