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procedure to determine the eindruecken of eindringkoerpern in solid body based on the mean of several penetration distances eindringwiderstandes and others of this ableitbarer werkstoffeigen) and device for exercising the method
procedure to determine the eindruecken of eindringkoerpern in solid body based on the mean of several penetration distances eindringwiderstandes and others of this ableitbarer werkstoffeigen) and device for exercising the method
