00286nam a2200109Ia 450000500170000000800410001708200160005810000210007424500260009526000470012130000080016820260225050944.0260224s9999||||xx |||||||||||||| ||und||  a744.422 FRE  aFrench & Vierck  0aEngineering Drawiing   aIslamabad: National Book Foundation c1968  a701