in conformity to the regulations set for each lubrication kind.
Tables shown on page 39 are of useful reference when buying a kind of oil.
Codes are usually printed-out on the oil container and the understanding of their meaning is useful for comparing different brands and choosing the kind with the right characteristics.
SPECIFICHE INTERNAZIONALI PER I LUBRIFICANTI
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che.
SPÉCIFICATIONS INTERNATIONALES POUR LES LUBRIFIANTS