000 00449nam a2200157Ia 4500
008 170901s1985 xx 000 0 und d
082 _a671.52
_bD46W
100 _aDirectorate General of Employment and Training, New Delhi
245 0 _aWelding
_bTheory And Practice
260 _aNew Delhi
_bT M H, New Delhi
_c1985
300 _a125
650 _aManufactures
650 _aTechnology (Applied sciences)
653 _aWelding
942 _2ddc
_cBK
999 _c19181
_d19181