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Plow preserving deere moldboard 1850s farmcollector manufacture bessemer datesKuhn plows charrues vari History of the plowThis african american woman obtained patent for an improved ironing.
Preserving the walking plowChina share plow, moldboard plow photos & pictures Inventor plow steelJohn deere (inventor).
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Plows | KUHN
This African American woman obtained patent for an improved ironing
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