000
00246nam a2200097Ia 4500
008
220201s9999 xx 000 0 eng d
100
_a
Rajan, T.V
245
0
_a
Heat treatment
_b
principles and technique
260
_a
New Delhi
_b
PHI
942
_2
ddc
_0
1
999
_c
70269
_d
70269