00621nam a2200205Ia 4500003000400000005001700004006001800021007000300039008004100042024000900083037001800092040001800110041001300128100002000141110008800161245004900249260000900298650002000307700008800327OSt20220930191621.0a|||||r|||| 00| 0ta220926b        |||||||| |||| 00| 0 eng d  a9122  cDissertations  aCRLcCRLbeng  2engaeng  aAwad Atef Kamel  aUniversity of Delhi. Faculty of Arts. Department of Library and Information Science 0aBibliographical control of patent literature  c1975  aLIBRARY SCIENCE  aUniversity of Delhi. Faculty of Arts. Department of Library and Information Science