00755nam a22002417a 4500999001700000003000400017005001700021008004100038040002400079082002200103100001700125245011500142260005800257300002400315490002700339650003200366650003700398653001500435901001000450903001300460952002000473952002000493  c13966d13966INP20260622100121.0180122s1970    ua   ||fr|||| 00| 0 ara d  aEG-INPbaracEG-INP04a338.9bم.ذ 2211 aomar, ahmed.16aon the maintance of a system of machines by one repairman / cahmed omar ; the institute of national planning.  acairo : bthe institute of national planning, c1970.  a11 p. ؛ c27 سم.  aExternal notes ;v953. 7athe maintance.2qrmak94347 7asystem of machines.2qrmak94321 0arepairman.  aEGPV3  aoriginal  00aINPbINPyEN  00aINPbINPyEN