This rose is available through Rosen Schultheiss in Germany

Schultheis roses in Germany is selling a rose by this name. BUT there is a photo of a lovely pink bloom and they describe it as silvery pink with a tinge of red at the edge of the petals. many-petalled, flattish shape in the photo though it is describes as cup-shaped .Does not sound like your description at all. Schultheis say theirs is a rambler which will grow to over 5 metres, repeat-flowering. New shoots are a bronze colour. Slightly fragrant.