00467nam a2200157Ia 4500008004100000082001700041100002600058245003700084260004500121300001000166650003800176650003400214653002300248653001300271700002500284170901s1956    xx            000 0 und d  a620.04bH70E  aHoelscher, Randolph P 0aEngineering Drawing and Geometry  aNew YorkbJohn Wiley and Sons, Incc1956  aMISC.  aEngineering and allied operations  aTechnology (Applied sciences)  aEngineering design  aGeometry  aSpringer, Clifford H