38111100

ANTI-KNOCK PRPNS BASED ON LEAD COMPOUND

38111900

OTHER ANTI-KNOCK PREPARATION

38112100

ADDTVS FR LBRCTNG OILS CONTNG OILS OBTND FROM PETROLEUM & BITUMINOUS MINERALS

38112900

OTHER ADDITIVES FOR LUBRICATING OILS

38119000

OTHER PREPARED ADDITIVES ANTI-CORRSIVE PRPNS & OTHR PRPD ADDITVS