000 00237nam a2200073 4500
080 _a
_b
245 _aIS:2607 - 1967 : Specification for air-break isolators for voltages not exceeding 1000 volts
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1968
300 _a14p
999 _c25568
_d25568