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All Patents in class 266/186
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	9,698X	Jun. 02, 1836	B. Kugler	Blast furnace
	AI174	Jul. 28, 1857	L. Westbrook	Gutta-percha (rubber) mold
	952,284	Mar. 15, 1910	B. de Saint Seine	Smelting-furnace

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