000
00277nam a2200109Ia 4500
008
220709s9999 xx 000 0 und d
100
_a
BALASUBRAMANI S
_9
6924
245
_a
INDUSTRIAL WASTE GAS AND POLLUTION CONTROL SYSTEM
260
_c
2021
500
_a
PRABU.R
942
_c
PRJ
999
_c
23492
_d
23492