DIN 4776 Beiblatt 1:1990-05
Отменен
Measurement of surface roughness; parameters R<(Index)K>, R<(Index)PK>, R<(Index)VK>, M<(Index)r1>, M<(Index)r2> for the description of the material portion (profile bearing length ratio) in the roughness profile; measuring conditions and evaluation procedures, explations to DIN 4776
— 8 стр.
