NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
DIN EN ISO 21809-3 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 868 | 2003-03 | Plastics and ebonite - Determination of indentation hardness by means of a durometer (Shore hardness) More |
| ISO 8503-3 | 2012-02 | Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned steel substrates - Part 3: Method for the calibration of ISO surface profile comparators and for the determination of surface profile - Focusing microscope procedure More |
