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Patents for Oluf Ronberg
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
SE-124,144	Feb. 22, 1949	H.F. Madsen, O. Ronberg	Skruvnyckel	self-adjust wrenches
GB-645,532	Nov. 01, 1950	H.F. Madsen, O. Ronberg	Improvements in or relating to wrenches	self-adjust wrenches

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