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All Patents in class 137/529
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	716,864	Dec. 30, 1902	A.E. Cutler, F.A. Casey	Safety Valve
	1,229,459	Jun. 12, 1917	F.G. Hobart, C.B. Jahnke	Suction-valve holder

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