000 00235nam a2200073 4500
080 _a
_b
245 _aIS: 1885 (Part 54) - 1993/IEC 50 (471) - 1984; Electrotechnical vocabulary Part 54 insulators
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1993
300 _a5p
999 _c35109
_d35109