000 00271nam a2200121Ia 4500
082 _a621.9
_bDET
245 _aTrade practice 3
_b: draftsman (mechanical)
260 _aLahore:
_bThe Cell,
300 _bn. p
546 _aeng
650 _aDratfsman
_9205881
942 _cREF
999 _c76327
_d76327