00278nam a2200109Ia 450000500170000000800410001708200140005810000190007224500220009126000470011330000080016020260225050943.0260224s9999||||xx |||||||||||||| ||und||  a621.9 RUS  aS.E. Rusinoff  0aTool engineering   aIslamabad: National Book Foundation c1959  a326