000 00288nam a2200121Ia 4500
008 220201s2017 xx 000 0 eng d
082 _a621.902
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100 _aKHANNA O P
245 0 _aWELDING TECHNOLOGY
260 _aNEW DELHI
_bDHANPAT RAI
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300 _a47.12
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999 _c32640
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