000 00241nam a2200073 4500
080 _a
_b
245 _aIS: 731-1963; Specification for Porcelain Insulators for Overhead Power Lines (3.3 kV and Above)
700 _aIndian Standards Institution
260 _aNew Delhi
_bBIS
_c1963
300 _a27p
999 _c24393
_d24393