000 00231nam a2200085Ia 4500
008 180131b1978 xxu||||| |||| 00| 0 eng d
080 _a
_b
100 _aIndian Standards Institution
245 _aIs: 8792 - 1978; Specification For Line Traps
260 _a
_bBIS
_c1978
999 _c49235
_d49235