DS DS/EN ISO 5458
DS DSEN SO 5458 1999-MAY-20 Geometrcal product specfcatons GPS - Geometrcal tolerancng - Postonal tolerancng
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This International Standard describes positional tolerancing. This tolerancing method is applied to the location of a point, of a line nominally straight and of a surface nominally plane, e.g. the centre of a sphere, the axis of a hole or shaft and the median surface of a slot.