000 00308nam a2200109Ia 4500
008 220201s1967 xx 000 0 eng d
100 _aIndian Standard Institution
245 0 _aIS:3842 PII Application guide for electrical relays for AC systems
260 _bDelhi:I.S.I
_c1967
300 _a16
942 _2ddc
999 _c74613
_d74613