00489nam a2200109   4500008004100000050002100041100004900062245015100111260006400262300002500326650002800351150529b        xxu||||| |||| 00| 0 eng d  aTT 205 .E44 1973  aBundesinstitut Fur Berufsbildungs-forschung,  aElementary metal course training section 1 exercisesbSpecial edition within the scope of technical cooperaion in the field of vocational training  aBerlin:bBundesinstitut Fur Berufsbildungs-forschung,c1973  a209p,:bill.;c29cm.  aelementary metal course