000 00328nam a2200073 4500
080 _a
_b
245 _aIS:04064 - 1967 (with Amendment No.3 & 4); Specification for Normal Duty Air-Break Switches and Composite Units of Air-Break Switches and Fuse for Voltages not Exceeding 1000 Volts
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1967
300 _a21p+3p
999 _c32603
_d32603