000 00312nam a22001337a 4500
005 20210719162914.0
008 210719b ||||| |||| 00| 0 eng d
041 _aeng
100 _aISTE code 109
_924734
245 _aFiber- optics industrial use
260 _aDelhi
_bMHRD
_c1991
300 _a133
942 _cBK
999 _c62261
_d62261