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: , 2000, с. 20 с.
, U. (2000)
Polyisobutylene succinimide and ethylene-propylene succinimide synergistic additives for lubricating oils compositions,
: , с. 20 с
, U.
(2000).
Polyisobutylene succinimide and ethylene-propylene succinimide synergistic additives for lubricating oils compositions. МПК C10M 149/06. US PATENT. с. 20 с.