000 00273nam a2200073 4500
080 _a
_b
245 _aIS: 2620(part 3)-2009/IEC 60076-3-2000; Power transformers part 3: Insulation levels dielectric tests and external clearances in air
100 _aBUREAUOF INDIAN STANDARDS
260 _aNew Delhi
_bBIS
_c2009
300 _a48
999 _c40401
_d40401