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Class Information
Number: 137/626
Name: Fluid handling > Systems > Plural petcocks
Description: Subject matter in which two or more valves of the type normally actuated by turning a relatively small thumb piece have means interrelating the motions of these thumb pieces.

Patents under this class:

Patent Number Title Of Patent Date Issued
6779742 Air brush Aug. 24, 2004
4798336 Control means for spraying apparatus Jan. 17, 1989

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