000
00310nam a2200121Ia 4500
008
190711s9999 xx 000 0 und d
082
_a
671.52 K45
100
_a
KHANNA,O.P
245
0
_a
TEXT BOOK OF WELDING TECHNOLOGY
260
_a
DELHI
_b
Dhanpat Rai Publications
_c
1986
300
_a
22X14
942
_c
BK
_2
DDC
999
_c
19264
_d
19264