00377nam a2200145Ia 4500008004100000040001300041100001500054100002200069245004200091260001400133260001000147260000900157300000800166700005700174180515s9999 xx 000 0 und d aPK-NaQUE a12BT(P)114 aHafiz Ali Shaikh  0a Reciprocating Compressors and Pumps  aNawabshah bQUEST c2012 a103 aDepartment of Mechanical Engineering, (GCT Khairpur)