NA 022

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

DIN EN 61125 ; VDE 0380-4:1994-12 [Withdrawn] references following documents:

Document number Edition Title
ISO 383 1976-08 Laboratory glassware; Interchangeable conical ground joints More 
ISO 4793 1980-10 Laboratory sintered (fritted) filters; Porosity grading, classification and designation More