UNE-EN 61234-1:1993 METHOD OF TEST FOR THE HYDROSTATIC STABILITY OF ELECTRICAL INSULATING MATERIALS. PART 1: PLASTIC FILMS. (Endorsed by AENOR in November of 1995.)
1995UNE-EN 61234-1:1993 METHOD OF TEST FOR THE HYDROSTATIC STABILITY OF ELECTRICAL INSULATING MATERIALS. PART 1: PLASTIC FILMS. (Endorsed by AENOR in November of 1995.)