000 00325nam a2200073 4500
080 _a
_b
245 _aIS: 8504 (Part 4) - 1994; Guide for determination of thermal endurance properties of electrical insulating materials Part 4 Instructions for calculating the thermal endurance profile
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1994
300 _a20p
999 _c34877
_d34877