000
00299nam a2200121Ia 4500
008
190719s9999 xx 000 0 und d
082
_a
660 J11
100
_a
JAIN.P.C
245
0
_a
ENGINEERING CHEMISTRY
260
_a
DELHI
_b
Dhanpat Rai Publications
_c
1991
300
_a
22X14 743
942
_c
BK
_2
DDC
999
_c
45720
_d
45720