Patents for Fried. Krupp Akt.Ges.


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Patents for Fried. Krupp Akt.Ges.
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Number	Date	Patentee	Title	Type
DE-422,675	Dec. 05, 1925	F. Krupp Akt.Ges.	With Fine Pointer Provided, in Particular Equipment Intended for Examining the Upward Gradient of Internal Thread