000 00437nam a2200121Ia 45e0
008 180110s1982 xx 000 0 und d
082 _aIS: 9019 - 1979
100 _aIndian Standards Institution
245 0 _aIndian Standard Code of Practice for Installation, Operation and Preventive Main
260 _aNew Delhi
_bIndian Standards Institution
_c1982
300 _a11p.; 21 c
942 _2ddc
_cBK
999 _c1494
_d1494