00504nam a2200145 a 4500001001500000005001700015008004100032020002700073020003000100100001900130245006200149260004400211300002100255856008200276ASIN007096645120150427101518.0150427s1980    xxu                 eng d  a0070966451 (paperback)  a9780070966451 (paperback)1 aSachdeva, B.R.10aBlueprint reading for mechanical trades /cB.R. Sachdeva.  a[S.l.] :bMcGraw-Hill Education,c1980.  a162 p. ;c62 cm.403Amazon.comuhttp://www.amazon.com/exec/obidos/ASIN/0070966451/chopaconline-20