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RECOVERY OF USED OIL

       
  TOM
Reel
Bag Item Frames

HYDROGENATION of old aviation lubricating oil (P 1580)

201

   

404-409

MONTMORILLONITE, synthetic, production of from generator slag for treatment of used lubricating oils

18

   

55..520-55..528

RECLAIMING used lubricating oil, simple field method of, by T. Fujimoto

232

   

60 ‘3-60 ‘6

USED synthetic oil, recovery of

39

3450

21

10 ‘61-10 ‘65

       

20 ‘46-20 ‘55

VERY impure torpedo lubricant

74

   

134