000 002930000a22001210004500
008 151207b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a621.396.6:689
_bE4
942 _cBK
110 _aBusiness Promotion Bureau
245 _aPractical radio circuits
260 _aDelhi
_bBPB
999 _c139058
_d139058