000 00243nam a2200073 4500
080 _a
_b
245 _aIS: 1445 - 1966 :Specification for Porcelain Insulators for overhead Power Lines (below 1000Volts)
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1966
300 _a21p
999 _c24421
_d24421