NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN 60661 [Withdrawn] references following documents:

Document number Edition Title
DIN ISO 3696 1991-06 Water for analytical laboratory use; specification and test methods; identical with ISO 3696:1987 More 
ISO 3696 1987-04 Water for analytical laboratory use; Specification and test methods More