000 00389nam a2200061 4500
080 _a
_b
245 _aIEC: 216-3-2-1993; Guide for thedetermination of thermal endurance properties of electrical insulating materials Part 3 - Instructions for calenlating thermal endurance characteristics Sec.2 - Calculations for incomplete data, proof test results upto and including the medium time to end point
260 _aGeneva
_bIEC
_c1993
300 _a59
999 _c36781
_d36781