Anh
tip surface
US:top land
Đức
Kopfmantelflaeche
Kopfflaeche
Pháp
surface de tête
tip surface /ENG-MECHANICAL/
[DE] Kopfmantelflaeche
[EN] tip surface
[FR] surface de tête
US:top land,tip surface /ENG-MECHANICAL/
[DE] Kopfflaeche
[EN] US:top land; tip surface