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公开(公告)号：US3766055A
公开(公告)日：1973-10-16
申请号：US3766055D
申请日：1971-07-19
Applicant: TEXACO INC
CPC classification number: C10G21/00 , C10G2400/10
Abstract: LUBRICATING OILS OF HIGH VISCOSITY INDES ARE PREPARED BY HYDROCRACKING AN APHALT-CONTAINING VACUUM RESIDUUM, RECOVERING A LUBE OIL FRACTION FROM THE PRODUCT AND SOLVENT REFINING THE RECOVERED LUBE OIL FRACTION.
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