000
00288nam a2200121Ia 4500
008
220201s2017 xx 000 0 eng d
082
_a
621.902
_b
KHA-W
100
_a
KHANNA O P
245
0
_a
WELDING TECHNOLOGY
260
_a
NEW DELHI
_b
DHANPAT RAI
_c
2017
300
_a
47.12
942
_2
ddc
999
_c
32640
_d
32640