00274nam a22001097a 4500003000400000008004100004082001700045100002000062245004600082260002800128300000800156OSt240704b        |||||||| |||| 00| 0 eng d  a604.25bS11B  aSachdeva, B. R.  aBlueprint Reading forth mechanical trades  aTMHbUBSPD, Patnac1979  a166