000
00287nam a2200121 4500
020
_a
9786249931206
082
_a
543.08 KUL
_b
007629
100
_a
Kulathunga,Mahesh
_9
406
245
_a
Maintaning Analytical Instruments
260
_a
Sri Lanka
_b
Author
_c
2023
300
_a
305
942
_c
BK
999
_c
5086
_d
5086