00449nam a22001457a 4500 604.2 HOE L-12, P-24 Hoelscher, Randolph Philip 40424 The teaching of mechanical drawing Hoelscher, Randolph Philip New York John Wiley & Sons 1929 xi, P-229 0 0 0 604_200000000000000_HOE MCE 379 Hoelscher, Randolph Philip 40424 ddc BK 544718 544718 0 0 ddc 0 0 MCE MCE 2014-05-09 2 604.2 HOE MCE-30285 2014-05-09 2014-05-09 2014-05-09 BK