000 00354nam a22001217a 4500
082 _a604.2
_bLEV
_cL-12, P-52
100 _aLevens, A.S.
245 _aProblems in Mechanical Drawing /
_cLevens, A.S, Edstrom,A.E,
260 _aNew York:
_bWebster Division, McGRAW Hill Book Company,
300 _avarious pages
_bdiagram.;
_c26cm
650 _aMCE
942 _cBK
999 _c4821
_d4821