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公开(公告)号：US2183294A
公开(公告)日：1939-12-12
申请号：US18465038
申请日：1938-01-12
Applicant: LUBRI ZOL DEV CORP
Inventor： LINCOLN BERT H , WOIFE JOHN W
CPC classification number: C10M1/08 , C10M2211/042 , C10M2211/044 , C10M2211/06
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