Riffelung /INDUSTRY,INDUSTRY-METAL/
[DE] Riffelung
[EN] grip
[FR] moletage
Riffelung /INDUSTRY-METAL,ENG-MECHANICAL/
[DE] Riffelung
[EN] serrations
[FR] crantage
Riffelung,feinstreifige Riefung /INDUSTRY,INDUSTRY-METAL/
[DE] Riffelung; feinstreifige Riefung
[EN] brush lines; fine lines
[FR] peignage fin