00400nam a2200121Ia 4500008004100000041001200041082001500053100007300068245007800141260002000219440000900239650003000248240126s9999    xx            000 0 und d  aEnglish  aPRME91-108  aKhuntia, Debasis Chakraborthy, Maloy Patil, Smithin S Singh, Sukhdev 0aDesign and fabrication of improved staircase climbing trolleybSohani M S  bKLESEC, Belgaum  aNULL  aTrolley,staircase climbin