000
00300nam a2200121Ia 4500
008
220201s1978 xx 000 0 eng d
082
_a
620.11
_b
SUS
100
_a
Sushil Kumar
245
0
_a
Engineering Materials
260
_a
New delhi
_b
Metropolitian book co.,
_c
1978
300
_a
329
942
_2
ddc
999
_c
21521
_d
21521