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All Patents in class 425/579
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
1,849,027	Mar. 08, 1932	R.J. Pardee	Briquetting machine	industrial presses
2,810,181	Oct. 22, 1957	K. Ruckstuhl	Extrusion press
RE24,665	Jul. 07, 1959	K. Ruckstuhl	Extrusion press

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