00350nam a2200133Ia 4500008004100000041001200041082001700053100002500070245003800095250001300133260003500146300001200181650002300193231217s9999 xx 000 0 und d aEnglish a671.2 LAL;1 aKhanna, O P. Lal, M. 2aA text book of foundry technology a6th ed.  c1988bNew Delhi : Dhanpat Rai, axii+587 aFoundry technology