000 00274nam a2200085Ia 4500
008 180131b1986 xxu||||| |||| 00| 0 eng d
080 _a
_b
100 _aCentral Power Research Institute
245 _aCpri-140 - 1986; Development Of H.V. Contactor With Sf6 As The Arc Quenching Medium
260 _a
_bCPRI
_c1986
999 _c60789
_d60789