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Patents for F. W. Gustav Boettcher
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	229,800	Jul. 13, 1880	F.W. Boettcher	Combined lathe and planer
	304,601	Sep. 02, 1884	F.W. Boettcher	Combined Square, Level and Triangle

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