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Class Information
Number: 137/191
Name: Fluid handling > Diverse fluid containing pressure systems > Fluid separating traps or vents > Discriminating outlet for liquid > With fluid responsive valve > Level responsive > Weight or pressure > Gravitating vessel > Sinking or bucket type float > Servo-control
Description: Separating traps wherein the float operates a servo-mechanism or pilot valve controlled device which in turn operates the valve.

Patents under this class:

Patent Number Title Of Patent Date Issued
4838699 Cement mixing process Jun. 13, 1989

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