active surface of an electrode,working surface /INDUSTRY-METAL,ENG-ELECTRICAL/
[DE] wirksame Elektrodenfläche
[EN] active surface of an electrode; working surface
[FR] surface active d' une électrode; surface utile d' une électrode
clamping area,clamping surface,working surface /ENG-MECHANICAL/
[DE] Aufspannfläche
[EN] clamping area; clamping surface; working surface
[FR] face de serrage; surface de serrage; surface utile