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Patents for Hans Friedrich Madsen
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	DK-69,670	Jul. 25, 1949	O. Rønberg, H.F. Madsen	Skruenøgle ("wrench")
	GB-645,532	Nov. 01, 1950	H.F. Madsen, O. Ronberg	Improvements in or relating to wrenches

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