000
00335nam a22001457a 4500
999
_c
15908
_d
15908
005
20200304122259.0
008
200304b xxu||||| |||| 00| 0 eng d
100
_a
Gupta, S.K
245
_a
Mechanics and electricity
250
_a
15th
260
_a
N.Delhi
_b
R.Chand
_c
2020
300
_a
354
650
_a
Physics
942
_2
ddc
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BK