00406nam a2200157 a 4500008004100000020001500041050001700056100002300073245003800096260003200134300001900166350000900185500001700194650001500211650002200226120416s1974    ||||||||||||||||| ||    u  a0713133171  aHD 69.M3 Cli  aClifton, Roy Henry10aPrinciples of planned maintenance  aLondonbEdward Anorldc1974  ax, 230p. : ill  a0.00  aBibliography 0aMANAGEMENT  aPlant maintenance