Official, copyrighted PDF copies are typically sold through standards organizations rather than offered for free. You can find the full document on: Beuth Verlag (The official distributor for DIN). Standard aggregators like IHS Markit/S&P Global or advice on selecting a seal material for a specific project?

The standard defines specific geometries for the outer diameter and lip configuration: Ecoseal Co.,Ltd. Description Rubber-covered outer diameter, smooth profile. din 3760 pdf