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Class Information
Number: 137/624.16
Name: Fluid handling > Systems > Programmer or timer > Repeating cycle > Variable > Attachable and removable element
Description: Subject matter in which the change is brought about by either attaching or removing an element of the device.

Patents under this class:

Patent Number Title Of Patent Date Issued
8297312 Portable one-to-many control device for a sprinkler pipeline Oct. 30, 2012
7337800 Automatic flushing system and method for a potable water station Mar. 4, 2008
6581232 Pool cleaning apparatus Jun. 24, 2003
6053203 Mechanically-driven pulsating flow valve for heat and mass transfer enhancement Apr. 25, 2000
4457339 Multiprogrammable pinch valve module Jul. 3, 1984

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